The antonyms for the phrase "put act" are varied as both words have multiple meanings. "Put" can be defined as to place or establish, while "act" refers to a behavior or deed. Antonyms for "put" could include remove, displace, or withdraw, while antonyms for "act" might be refrain, avoid, or neglect. Therefore, antonyms for "put act" might include abandon inaction or abstain from the activity. Alternatively, one could use synonyms for the phrase such as execute or perform, with antonyms being shirk or ignore. Ultimately, antonyms for "put act" depend on the intended meaning of the phrase and the specific context in which it is used.