Definitions

1. noun

formal or informal expression of congratulations

“The crowd cheered as the bride and groom exchanged rings, and a friend shouted “congrats.””

2. verb

to express congratulations or good wishes to someone

“The family congratulated the graduate on her achievement.”

3. interjection

used to express congratulations or good wishes

“Congrats, you won the contest!”

4. adverb

in a congratulatory manner

“She congratulated him warmly on his new job.”