(noun, verb)


1. a slick spokesperson who can turn any criticism to the advantage of their employer

Similar word(s): flak

Definition categories: person, interpreter, representative, spokesperson, voice

2. intense adverse criticism

Similar word(s): attack, blast, fire, flak

Definition categories: communication, criticism

3. artillery designed to shoot upward at airplanes

Similar word(s): antiaircraft, flak

Definition categories: man–made, gun


1. (intransitive, obsolete) To flutter; palpitate.

2. (intransitive, Britain dialectal) To hang loosely; flag.

3. (transitive, Britain dialectal) To beat by flapping.

4. To publicise, to promote.