Main entry: half-time
Definition: involving half the standard or customary time for an activity
Usage: he had two years of half-time training
Antonyms: full-time
Definition: for the entire time appropriate to an activity
Main entry: half-time, part-time
Definition: for less than the standard number of hours
Usage: he works part-time
Antonyms: full-time
Definition: for the standard number of hours