fit to uncommon adjective 1. meeting adequate standards for a purpose “a fit subject for discussion” “it is fit and proper that you be there” “water fit to drink” “fit for duty” “do as you see fit to” Synonymsfitfit tofit for Antonymsunfit Similaracceptableappropriate Related words Word family fit to WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.