Definition of out-fast in English:

out-fast

verb

  • with object To outdo in fasting, to fast longer than.

Origin

Mid 17th century; earliest use found in Gervase Markham (?1568–1637), author. From out- + fast.

Pronunciation

out-fast

/ˌaʊtˈfɑːst//ˌaʊtˈfast/