unacquainted with adj 1: not knowledgeable about something specified; "American tourists wholly innocent of French"; "a person unacquainted with our customs" [syn: {innocent of(p)}, {unacquainted with(p)}] 2: having little or no knowledge of; "unacquainted with city ways" [syn: {unacquainted(p)}, {unacquainted with(p)}, {unfamiliar with(p)}]