There are various synonyms for the term "hide away" which convey a similar meaning such as seclude, withdraw, retreat, isolate, and conceal. When someone hides away, they want to be alone or avoid others. Seclude refers to the act of separating oneself from others intentionally. Withdraw means removing oneself from interaction or involvement. Retreat means stepping back from something and taking a break. Isolate means separating oneself from society or friends. Conceal means to prevent something from being seen or discovered. Overall, these synonyms provide a range of descriptive terms that can be used interchangeably depending on the context.