hallelujah
interj. C1 Advanced US //ˌhæɫəˈɫujə// UK //hˌælɪlˈuːjɐ// hal·lelu·jah
interj. an expression of great joy, praise, or thanks. You use it when you are very happy that something good has finally happened.
interj. an exclamation used to express praise or gratitude to God, or more generally to convey intense relief or jubilation. Often functions as a standalone utterance in both liturgical and secular contexts.
Hallelujah! I finally passed my driving test.
The crowd shouted hallelujah as the rain finally began to fall after months of drought.
From Hebrew הַלְלוּיָהּ (hal'luyáh, “Praise Yah”).
Usage
Commonly used as a standalone exclamation; when used as a noun, it refers to the song or shout itself.