Thrust away can be replaced with several synonyms that convey similar meanings such as to repel, reject, dismiss, or push away. These words can be used when someone wants to distance themselves emotionally or physically from a situation, person, or thing. For example, one can thrust away their past mistakes, negative thoughts, or toxic relationships. In a physical sense, someone can thrust away an attacker or an unpleasant object. The use of synonyms can provide variety to one's writing or speech and help to avoid repetition. Ultimately, the choice of synonym depends on the context and the desired effect on the audience.