When it comes to synonyms for the phrase "sat out," there are a variety of options to choose from depending on the context. Some possibilities include "remained seated," "stayed put," "refrained from participating," "opted out," "took a pass," "watched from the sidelines," "observed from afar," and "kept out of the fray." Each of these phrases conveys a slightly different shade of meaning, so it's important to choose the one that best fits the specific situation. Whether you're talking about a game, a meeting, or a social gathering, having a diverse vocabulary of synonyms can help you express yourself more clearly and effectively.