Cinched is a word that means secured or fastened tightly. There are a variety of synonyms for this word that can be used interchangeably depending on the context. Some common alternatives include tightened, fastened, locked, clamped, anchored, strapped, and secured. These words all suggest a sense of firmness, stability, and reliability. Other similar terms that can be used in place of cinched include lashed, bound, tied, secured, bolted, and nailed. Each of these synonyms conveys a similar level of strength and security, but may emphasize slightly different aspects of the securing process. Whether you're writing about fashion or construction, these synonyms for cinched can come in handy.