
1) Abrupt 2) Dramatic 3) Extemporary 4) Fast 5) Fulminant 6) Impulsive 7) Quick 8) Sharp 9) Sheer 10) Subitaneous 11) Unexpected 12) Unforeseen
Found on
https://www.crosswordclues.com/clue/sudden

1) Abrupt 2) Explosive 3) Fast 4) French word used in English 5) Fulminant 6) Happening without warning 7) Hasty 8) Immediate 9) Impetuous 10) Like a sneak attack 11) Quick 12) Quickly made or provided 13) Rapid 14) Rash 15) Rushed 16) Sharp 17) Unexpected 18) Unexpected, without warning 19) Unforeseen
Found on
https://www.crosswordclues.com/clue/sudden

James Green aka Sudden is a fictional character created by an English author Oliver Strange in the early 1930s as the hero of a series, originally published by George Newnes Books Ltd, set in the American Wild West era. Oliver Strange died in 1952, and the series was revived by Frederick H. Christian in the 1960s. Christian classified the books as...
Found on
http://en.wikipedia.org/wiki/Sudden

• (a.) Happening without previous notice or with very brief notice; coming unexpectedly, or without the common preparation; immediate; instant; speedy. • (n.) An unexpected occurrence; a surprise. • (a.) Hasty; violent; rash; precipitate. • (a.) Hastly prepared or employed; quick; rapid. • (adv.) Suddenly; unexpectedly.Sudd...
Found on
http://thinkexist.com/dictionary/meaning/sudden/
Sud'den adjective [ Middle English
sodian ,
sodein , Old French
sodain ,
sudain , French
soudain , Latin
subitaneus , from
subitus sudden, that has come unexpectedly, past participle of
subire to come on, to steal upon;
sub under, secre...
Found on
http://www.encyclo.co.uk/webster/S/232
Sud'den adverb Suddenly; unexpectedly. [ R.] « Herbs of every leaf that
sudden flowered.»
Milton. Found on
http://www.encyclo.co.uk/webster/S/232
Sud'den noun An unexpected occurrence; a surprise.
All of a sudden ,
On a sudden ,
Of a sudden ,
sooner than was expected; without the usual preparation; suddenly. « How art thou lost! how
on a sudden lost!»
Milton. « He withdrew his...
Found on
http://www.encyclo.co.uk/webster/S/232

Sudden is Australian slang for fast, efficient.
Found on
http://www.probertencyclopaedia.com/browse/ZSD.HTM

[
adj] - happening without warning or in a short space of time
Found on
http://www.webdictionary.co.uk/definition.php?query=sudden
adjective happening without warning or in a short space of time; `a sudden storm`; `a sudden decision`; `a sudden cure`
Found on
https://www.encyclo.co.uk/local/20974

happening, coming, made, or done quickly, without warning, or unexpectedly: a sudden attack. · occurring without transition from the previous form, state, etc.; abrupt: a sudden turn. · impetuous; rash. · quickly made or provided. · unpremeditated.
Found on
https://www.infoplease.com/dictionary/sudden
No exact match found.