There are several synonyms that can be used for the phrase "free and clear" depending on the context of usage. Some common synonyms include "unencumbered," "unrestricted," "unimpeded," "unfettered," "liberated," "released," "emancipated," and "unobstructed." These synonyms all convey the idea of being free from any constraints, obstacles, or restrictions. In a financial context, "debt-free" or "clear of debt" can also be used as synonyms for "free and clear." Overall, these synonyms can be used interchangeably with "free and clear" to convey the idea of being completely unrestricted and unburdened by any obstacles or obligations.