- a short play consisting of one act.
Also one-act [wuhn-akt] /ˈwʌnˌækt/.
Origin of one-acter
First recorded in 1890–95
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for one-act
In addition to his longer plays, Tennessee Williams wrote dozens of one-act plays, short stories, and novels.Tennessee Williams' Forgotten Masterpiece
January 25, 2011
Its uneasiness had nothing to do with the fate of my one-act play.Notes on Life and Letters
We performed it in the empty billiard-room, followed by a one-act piece of my own.They and I
Jerome K. Jerome
Maybe you could make a one-act tragedy out of it for a curtain-raiser.Strictly Business
It begins with Grfin Julie, condensed by the dramatist into a one-act piece.Iconoclasts
He also put on my first play—a one-act affair, 'A Night in Havana.'