The antonyms for "call turn" can be "decline", "refuse", "deny", or "ignore". When someone is asked to take their turn or to participate in something, they may decline to do so. Refusing to take a turn would also be considered an antonym for "call turn". Denying the request to take a turn or completely ignoring it are also antonyms for "call turn". It is important to note that not participating is not always negative, as someone may genuinely be busy or have other reasons for declining to take their turn. Antonyms are important for understanding context and choosing the right words to convey the intended meaning.