Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

WORD ORIGIN

c.1500, from Old French illicite (14c.) "unlawful, forbidden," from Latin illicitus "not allowed, unlawful, illegal," from assimilated form of in- "not, opposite of" (see in- (1)) + licitus "lawful," past participle of licere "to be allowed" (see licence). Related: Illicitly.

MORE RELATED WORDS FOR ILLICITNESS

illegality

nounillegal state
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.