Sounded off means to speak or express oneself in a candid or forceful manner. The antonyms for sounded off are to be timid, reserved, introverted, or hesitant. A person who is reserved or timid may choose not to express an opinion or speak up about a matter. An introverted individual may be perceived as quiet or simply choose to stay silent. A hesitant individual may struggle to speak confidently and may take a long time to express themselves. It is important to understand that different individuals have different communication styles, and it is essential to respect and appreciate others' way of expressing themselves.