The word "be wail" is used to express mourning, sorrow or grief. Antonyms for this word are words that are opposite in meaning, conveying a different emotion or idea. Some antonyms for "be wail" are joyful, celebrate, rejoice, exult, and elate. These words express a sense of happiness or excitement rather than sadness or despair. Whereas "be wail" is used to express grief, antonyms such as "cheer" imply a positive situation worthy of enjoyment. Thus, using antonyms for "be wail" can be a great way to bring cheer and happiness to an otherwise somber setting.