Of good cheer; having good spirits; gay; lively: said of persons.Cordially willing; genial in action; hearty; ungrudging.Characterized by or expressive of good spirits; associated with agreeable feelings; lively; animated: as, cheerful songs.Promoting or causing cheerfulness; gladdening; animating; genial: as, the cheerful sun; a cheerful fire.Synonyms Lightsome, gleeful, blithe, airy, sprightly, jocund, jolly, buoyant. See cheery.