The phrase "puts in a good word" is often used to describe an act of endorsing or recommending someone or something. The antonyms for this phrase include criticizing, condemning, denouncing, disparaging, and disapproving. These words all convey negative connotations and are used to express disapproval or disfavor towards someone or something. For instance, if someone puts in a good word for a particular candidate, his opponent may criticize that candidate to offset the endorsement. Conversely, if someone puts in a bad word for something, it may discourage others from considering it. Therefore, knowing antonyms for "putting in a good word" is crucial to understanding how language influences perception and decision-making.