There are many synonyms for the phrase "in chains" including "bound," "shackled," "fettered," "restrained," "tethered," and "tied up." These words all describe a situation where someone or something is physically or metaphorically restricted or limited in some way. Whether it's a prisoner in a jail cell, an animal chained up in a zoo, or a person feeling trapped in a difficult situation, the idea of being in chains is a powerful image that evokes feelings of confinement and helplessness. By using different synonyms for this phrase, writers and speakers can add variety and nuance to their descriptions, making their words more engaging and effective.