/ Dictionary / Index A antsy: Meaning and Definition of Find definitions for: ants•y Pronunciation: (ant'sē), [key] — ants•i•er, ants•i•est. unable to sit or stand still; fidgety: The children were bored and antsy. apprehensive, uneasy, or nervous: I'm a little antsy since hearing those storm warnings. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: antsy (Thesaurus) Antsirane ant-thrush Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language