hallelujah

interjection
  1. An exclamation of praise, joy, or triumph, often used in religious or celebratory contexts.
  2. Usage: Common in religious worship and hymns; Also used informally to express great joy or relief
noun
  1. A song of praise or thanksgiving; a hymn or shout of hallelujah.
  2. Usage: Often capitalized when referring to specific compositions, such as Handel's 'Hallelujah'

Examples