Synonyms for flail

Noun

1. flail, implement

usage: an implement consisting of handle with a free swinging stick at the end; used in manual threshing

Verb

1. thrash, thresh, lam, flail, beat, beat up, work over

usage: give a thrashing to; beat hard

2. flail, thresh, beat, flap

usage: move like a flail; thresh about; "Her arms were flailing"