Main Entry: op·por·tune

Pronunciation: \ˌä-pər-ˈtün, -ˈtyün\

Function: adjective

Etymology: Middle English, from Middle French opportun, from Latin opportunus, from ob- toward + portus port, harbor — more at ob-, ford

Date: 15th century

1 : suitable or convenient for a particular occurrence <an opportune moment>
2 : occurring at an appropriate time <an opportune offer of assistance>

— op·por·tune·ly adverb

— op·por·tune·ness \-ˈt(y)ün-nəs\ noun