Idioms for ace

Origin of ace

1250–1300; 1915 for def 4; Middle English as, aas < Old French as < Latin: a unit; cf. as2; sense 4 after French as in World War I; sense 5 < 4

Definition for ace (2 of 2)


American Council on Education.
Army Corps of Engineers.

Example sentences from the Web for ace

British Dictionary definitions for ace (1 of 2)

/ (eɪs) /



informal superb; excellent

verb (tr)

Word Origin for ace

C13: via Old French from Latin as a unit, perhaps from a Greek variant of heis one

British Dictionary definitions for ace (2 of 2)

/ (eɪs) /

n acronym for

(in Britain) Advisory Centre for Education; a private organization offering advice on schools to parents
Allied Command Europe
angiotensin-converting enzyme See ACE inhibitor

Idioms and Phrases with ace