The opposite word for mourn is smart. :)
I honestly haven't heard a word that is opposite the word "Celebrate". But in my opinion, MOURN is probably the best opposite word.
mourn
The Abaluhya (Luhya) equivalent for the English word 'mourn' is "wikhuule".
mourn example sentence: We gathered to mourn the death of our friend.
mourn
The word is mourn.
Grieve, Mourn
mourn
The usual opposite is sad, which means unhappy.Other synonyms could include dejected, despondent, forlorn, gloomy, miserable, or depressed.
The word "mourn" is in the King James Version of the Bible 45 times. It is in 44 verses. Please see the related link below.
I mourn you still. The mourning dove gained it's name because of it's doleful cry.
Aunt Grace mourned over her dead husband's grave. I mourn for our youth. is a popular phrase.