What is the meaning of Alleluia?

A liturgical or variant form of hallelujah.

A liturgical form of hallelujah.

A choral composition incorporating alleluia in its text.

The plant wood sorrel.

Alternative spelling of hallelujah

"hallelujah"! "God be praised"!

A release of exasperation at the end of an unpleasant or strenuous experience: "goodness gracious, finally!", "at last, for once!"; "thank God!"

hallelujah

hallelujah

Source: wiktionary.org