Webster's Dictionary, 1913

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Inseparable adjective [ Latin inseparabilis : confer French inséparable . See In- , and Separable .]


1. Not separable; incapable of being separated or disjoined.

The history of every language is inseparable from that of the people by whom it is spoken.
Mure.

Liberty and union, now and forever, one and inseparable .
D. Webster.

2. (Gram.) Invariably attached to some word, stem, or root; as, the inseparable particle un - .

Inseparableness noun The quality or state of being inseparable; inseparability. Bp. Burnet.

Inseparably adverb In an inseparable manner or condition; so as not to be separable. Bacon.

And cleaves through life inseparably close.
Cowper.

Inseparate adjective [ Latin inseparatus . See In- not, and Separate .] Not separate; together; united. Shak.

Inseparately adverb Inseparably. [ Obsolete] Cranmer.

Insert transitive verb [ imperfect & past participle Inserted ; present participle & verbal noun Inserting .] [ Latin insertus , past participle of inserere to insert; prefix in- in + serere to join, connect. See Series .] To set within something; to put or thrust in; to introduce; to cause to enter, or be included, or contained; as, to insert a scion in a stock; to insert a letter, word, or passage in a composition; to insert an advertisement in a newspaper.

These words were very weakly inserted where they will be so liable to misconstruction.
Bp. Stillingfleet.

Inserted adjective (Botany) Situated upon, attached to, or growing out of, some part; -- said especially of the parts of the flower; as, the calyx, corolla, and stamens of many flowers are inserted upon the receptacle. Gray.

Inserting noun
1. A setting in.

2. Something inserted or set in, as lace, etc., in garments. [ R.]

Insertion noun [ Latin insertio : confer French insertion . See Insert .]


1. The act of inserting; as, the insertion of scions in stocks; the insertion of words or passages in writings.

2. The condition or mode of being inserted or attached; as, the insertion of stamens in a calyx.

3. That which is set in or inserted, especially a narrow strip of embroidered lace, muslin, or cambric.

4. (Anat.) The point or part by which a muscle or tendon is attached to the part to be moved; -- in contradistinction to its origin .

Epigynous insertion (Botany) , the insertion of stamens upon the ovary. -- Hypogynous insertion (Botany) , insertion beneath the ovary.

Inserve intransitive verb [ Latin inservire ; in- in + servire to serve.] To be of use to an end; to serve. [ Obsolete]

Inservient adjective [ Latin inserviens , present participle of inservire .] Conducive; instrumental. [ Obsolete] Sir T. Browne.

Insession noun [ Latin insessio , from insidere , insessum , to sit in. See Insidious .]


1. The act of sitting, as in a tub or bath. "Used by way of fomentation, insession , or bath." [ R.] Holland.

2. That in which one sits, as a bathing tub. [ R.]

Insessions be bathing tubs half full.
Holland.

Insessor noun ; plural Insessores . [ See Insessores .] (Zoology) One of the Insessores. The group includes most of the common singing birds.

Insessores noun plural [ New Latin , from Latin insessor , lit., one who sits down, from incidere . See Insession .] (Zoology) An order of birds, formerly established to include the perching birds, but now generally regarded as an artificial group.

Insessorial adjective (Zoology)
1. Pertaining to, or having the character of, perching birds.

2. Belonging or pertaining to the Insessores.

Inset transitive verb To infix. [ Obsolete] Chaucer.

Inset noun
1. That which is inserted or set in; an insertion.

2. (Bookbinding) One or more separate leaves inserted in a volume before binding; as: (a) A portion of the printed sheet in certain sizes of books which is cut off before folding, and set into the middle of the folded sheet to complete the succession of paging; -- also called offcut . (b) A page or pages of advertisements inserted.

Inseverable adjective Incapable of being severed; indivisible; inseparable. De Quincey.

Inshaded adjective Marked with different shades. W. Browne.

Inshave noun (Mech.) A plane for shaving or dressing the concave or inside faces of barrel staves.

Insheathe transitive verb To insert as in a sheath; to sheathe. Hughes.

Inshell transitive verb To hide in a shell. [ Obsolete] Shak.

Inship transitive verb To embark. [ Obsolete] Shak.

Inshore adjective Being near or moving towards the shore; as, inshore fisheries; inshore currents. -- adverb Towards the shore; as, the boat was headed inshore .

Inshrine transitive verb See Enshrine .

Insiccation noun The act or process of drying in.

Inside preposition or adverb Within the sides of; in the interior; contained within; as, inside a house, book, bottle, etc.

Inside adjective
1. Being within; included or inclosed in anything; contained; interior; internal; as, the inside passengers of a stagecoach; inside decoration.

Kissing with inside lip.
Shak.

2. Adapted to the interior.

Inside callipers (Mech.) , callipers for measuring the diameters of holes, etc. -- Inside finish (Architecture) , a general term for the final work in any building necessary for its completion, but other than unusual decoration; thus, in joiner work, the doors and windows, inside shutters, door and window trimmings, paneled jams, baseboards, and sometimes flooring and stairs; in plaster work, the finishing coat, the cornices, centerpieces, etc.; in painting, all simple painting of woodwork and plastering. -- Inside track , the inner part of a race course; hence, colloquially, advantage of place, facilities, etc., in competition.

Inside noun
1. The part within; interior or internal portion; content.

Looked he o' the inside of the paper?
Shak.

2. plural The inward parts; entrails; bowels; hence, that which is within; private thoughts and feelings.

Here's none but friends; we may speak
Our insides freely.
Massinger.

3. An inside passenger of a coach or carriage, as distinguished from one upon the outside. [ Colloq. Eng.]

So down thy hill, romantic Ashbourne, glides
The Derby dilly, carrying three insides .
Anti- Jacobin.

Patent insides or outsides , a name give to newspaper sheets printed on one side with general and miscellaneous matter, and furnished wholesale to offices of small newspapers, where the blank pages are filled up with recent and local news.

Insidiate transitive verb [ Latin insidiatus , past participle of insidiare to lie in ambush, from insidiae . See Insidious .] To lie in ambush for. [ Obsolete] Heywood.

Insidiator noun [ Latin ] One who lies in ambush. [ Obsolete] Barrow.

Insidious adjective [ Latin insidiosus , from insidiae an ambush, from insidere to sit in; prefix in- + sedere to sit: confer French insidieux . See Sit .]


1. Lying in wait; watching an opportunity to insnare or entrap; deceitful; sly; treacherous; -- said of persons; as, the insidious foe. "The insidious witch." Cowper.

2. Intended to entrap; characterized by treachery and deceit; as, insidious arts.

The insidious whisper of the bad angel.
Hawthorne.

Insidious disease (Medicine) , a disease existing, without marked symptoms, but ready to become active upon some slight occasion; a disease not appearing to be as bad as it really is.

Syn. -- Crafty; wily; artful; sly; designing; guileful; circumventive; treacherous; deceitful; deceptive.

-- In*sid"i*ous*ly , adverb -- In*sid"i*ous*ness , noun

Insight noun
1. A sight or view of the interior of anything; a deep inspection or view; introspection; -- frequently used with into .

He had an insight into almost all the secrets of state.
Jortin.

2. Power of acute observation and deduction; penetration; discernment; perception.

Quickest insight
In all things that to greatest actions lead.
Milton.

Insignia noun plural [ Latin insigne , plural insignia , from insignis distinguished by a mark; prefix in- in + signum a mark, sign. See Ensign , Sign .]


1. Distinguishing marks of authority, office, or honor; badges; tokens; decorations; as, the insignia of royalty or of an order.

2. Typical and characteristic marks or signs, by which anything is known or distinguished; as, the insignia of a trade.

Insignificance noun
1. The condition or quality of being insignificant; want of significance, sense, or meaning; as, the insignificance of words or phrases.

2. Want of force or effect; unimportance; pettiness; inefficacy; as, the insignificance of human art.

3. Want of claim to consideration or notice; want of influence or standing; meanness.

Reduce him, from being the first person in the nation, to a state of insignificance .
Beattie.

Insignificancy noun Insignificance.

Insignificant adjective
1. Not significant; void of signification, sense, or import; meaningless; as, insignificant words.

2. Having no weight or effect; answering no purpose; unimportant; valueless; futile.

Laws must be insignificant without the sanction of rewards and punishments.
Bp. Wilkins.

3. Without weight of character or social standing; mean; contemptible; as, an insignificant person.

Syn. -- Unimportant; immaterial; inconsiderable; small; inferior; trivial; mean; contemptible.

Insignificantly adverb without significance, importance, or effect; to no purpose. "Anger insignificantly fierce." Cowper.

Insignificative adjective [ Latin insignificativus . See In- not, and Significative .] Not expressing meaning; not significant.

Insignment noun [ See Insignia .] A token, mark, or explanation. [ Obsolete] Sir T. Elyot.

Insimulate transitive verb [ Latin insimulatus , past participle of insimulare to accuse.] To accuse. [ Obsolete] Donne.

Insincere adjective [ Latin insincerus . See In- not, and Sincere .]


1. Not being in truth what one appears to be; not sincere; dissembling; hypocritical; disingenuous; deceitful; false; -- said of persons; also of speech, thought; etc.; as, insincere declarations.

2. Disappointing; imperfect; unsound. [ Obsolete]

To render sleep's soft blessings insincere .
Pope.

Syn. -- Dissembling; hollow; hypocritical; deceptive deceitful; false; disingenuous; untrustworthy.

Insincerely adverb Without sincerity.

Insincerity noun [ Confer French insincérité .] The quality of being insincere; want of sincerity, or of being in reality what one appears to be; dissimulation; hypocritical; deceitfulness; hollowness; untrustworthiness; as, the insincerity of a professed friend; the insincerity of professions of regard.

What men call policy and knowledge of the world, is commonly no other thing than dissimulation and insincerity .
Blair.

Insinew transitive verb [ imperfect & past participle Insinewed ; present participle & verbal noun Insinewing .] To strengthen, as with sinews; to invigorate. [ Obsolete]

All members of our cause, . . .
That are insinewed to this action.
Shak.

Insinuant adjective [ Latin insinuans , present participle: confer French insinuant .] Insinuating; insinuative. [ Obsolete]

Insinuate transitive verb [ imperfect & past participle Insinuated ; present participle & verbal noun Insinuating .] [ Latin insinuatus , past participle of insinuare to insinuate; prefix in- in + sinus the bosom. See Sinuous .]


1. To introduce gently or slowly, as by a winding or narrow passage, or a gentle, persistent movement.

The water easily insinuates itself into, and placidly distends, the vessels of vegetables.
Woodward.

2. To introduce artfully; to infuse gently; to instill.

All the art of rhetoric, besides order and clearness, are for nothing else but to insinuate wrong ideas, move the passions, and thereby mislead the judgment.
Locke.

Horace laughs to shame all follies and insinuates virtue, rather by familiar examples than by the severity of precepts.
Dryden.

3. To hint; to suggest by remote allusion; -- often used derogatorily; as, did you mean to insinuate anything?

4. To push or work (one's self), as into favor; to introduce by slow, gentle, or artful means; to ingratiate; -- used reflexively.

He insinuated himself into the very good grace of the Duke of Buckingham.
Clarendon.

Syn. -- To instill; hint; suggest; intimate.

Insinuate intransitive verb
1. To creep, wind, or flow in; to enter gently, slowly, or imperceptibly, as into crevices.

2. To ingratiate one's self; to obtain access or favor by flattery or cunning.

He would insinuate with thee but to make thee sigh.
Shak.

To insinuate , flatter, bow, and bend my limbs.
Shak.

Insinuating adjective Winding, creeping, or flowing in, quietly or stealthily; suggesting; winning favor and confidence insensibly. Milton.

His address was courteous, and even insinuating .
Prescott.

Insinuatingly adverb By insinuation.