The antonyms for the word "more expressed" include suppressed, restrained, muted, subdued, and concealed. These words describe the opposite of expressing one's feelings or opinions, either by holding back or intentionally concealing them. Suppressed refers to the act of keeping emotions in check, while restrained implies a self-imposed limitation on how much one expresses themselves. Muted and subdued both suggest a lack of intensity or passion in communication, while concealed means intentionally keeping something hidden. In any case, the antonyms for "more expressed" suggest a less forthcoming manner of communication, characterized by a reluctance to speak one's mind fully.