half-time half·time uncommon adverb (1) adjective (1) adverb 1. for less than the standard number of hours “he works part-time” Synonymspart-time Antonymsfull-time adjective 1. involving half the standard or customary time for an activity “he had two years of half-time training” Similarpart-time WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
