
1) Blight 2) Damage 3) Deface 4) Disfigure 5) Harm 6) Hurt 7) Maim 8) Mar 9) Stain 10) Vitiate
Found on
https://www.crosswordclues.com/clue/impair

1) Cause damage to 2) Damage 3) Damage, weaken 4) Debilitate 5) Disable 6) Do damage to 7) Enfeeble 8) French word used in English 9) Handicap 10) Harm 11) Hurt 12) Make imperfect 13) Make less effective 14) Make worse 15) Make worse or less effective 16) Render less effective 17) Spoil 18) To affect negatively
Found on
https://www.crosswordclues.com/clue/impair

• (v. t.) To make worse; to diminish in quantity, value, excellence, or strength; to deteriorate; as, to impair health, character, the mind, value. • (n.) Diminution; injury. • (v. t.) To grow worse; to deteriorate. • (a.) Not fit or appropriate.
Found on
http://thinkexist.com/dictionary/meaning/impair/
Im'pair adjective [ French
impair uneven, Latin
impar ;
im- not +
par equal.] Not fit or appropriate. [ Obsolete]
Found on
http://www.encyclo.co.uk/webster/I/15
Im·pair' noun Diminution; injury. [ Obsolete]
Found on
http://www.encyclo.co.uk/webster/I/15
Im·pair' transitive verb [
imperfect & past participle Impaired ;
present participle & verbal noun Impairing .] [ Written also
empair .] [ Middle English
empeiren ,
enpeiren , Old French
empeirier ,
empi...Found on
http://www.encyclo.co.uk/webster/I/15

worsen diminish in valueÂ
Found on
http://www.graduateshotline.com/list.html

[
v] - make worse or less effective
Found on
http://www.webdictionary.co.uk/definition.php?query=impair

impair, impairing, impaired 1. To make or to cause to become worse; to diminish in ability, value, excellence, etc.; to weaken or to damage; such as, to impair one's health; to impair negotiations. 2. To grow or to become worse; to lessen. 3. Etymology: from about 1374, it was ampayre, apeyre, from Old French empeirier, from Vulgar Latin impejorar...
Found on
http://www.wordinfo.info/words/index/info/view_unit/1593/
verb make worse or less effective; `His vision was impaired`
Found on
https://www.encyclo.co.uk/local/20974

to make or cause to become worse; diminish in ability, value, excellence, etc.; weaken or damage: to impair one's health; to impair negotiations.
Found on
https://www.infoplease.com/dictionary/impair

make worse or less effective
Found on
https://www.vocabulary.com/lists/388513
No exact match found.