Under charge can be replaced with various other synonyms like in custody, under arrest, under detention, in confinement, in custody of, in the hands of authorities, or placed in charge of. Under charge refers to the state of being under the control and responsibility of someone or an organization. The term is often used in legal settings or situations where a person is held accountable for a particular task or role. Synonyms for under charge convey similar meanings, but each term brings distinct nuances and implications. Choosing the right synonym depends on the context and purpose of the message being conveyed.