Definition of after-hour in English:

after-hour

noun

  • A period of time following any incident or act; a later or subsequent moment; a later hour of the day.

adjective

  • After hours.

Origin

Early 18th century; earliest use found in Weekly Journal. From after- + hour.

Pronunciation:

after-hour

/ˈaftərˌaʊə//ˈɑːftərˌaʊə/