Pronunciation (UK) IPA (key): /ˈpæs.taɪm/ SAMPA: /"p{s.taIm/ Hyphenation: pas‧time Noun Singular pastime Plural pastimes (countable) A pastime is an activity that you do to use up time. Watching soccer is our favorite pastime.Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads