Half-time and Parttime

Half-time adjective - Involving half the standard or customary time for an activity.

Parttime is a synonym for half-time. In some cases you can use "Parttime" instead the phrase "Half-time" as an adjective or an adverb.

Parttime adjective - Involving less than the standard or customary time for an activity.

Half-time is a synonym for parttime. You can use "Half-time" instead the word "Parttime" as an adverb or a noun or an adjective.