full-time full·time common adjective (1) adverb (1) adjective 1. for the entire time appropriate to an activity “a full-time job” Antonymspart-time Similarregular adverb 1. for the standard number of hours “she works full-time” Antonymshalf-time WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.