The antonyms for the word "more loud-voiced" can be "soft-spoken", "quiet", "hushed", "muted", "whispered" or "mellow". While the term "more loud-voiced" signifies an authoritative, booming and assertive tone, antonyms for this term portray a gentle, soothing, and calm demeanor. A soft-spoken individual is one who speaks in a quiet and gentle manner, while a person who is hushed or whispered conveys their message in low tones. Muted and mellow individuals are also characterized as being less boisterous and less domineering. These antonyms of "more loud-voiced" convey different personalities and demeanors that can impact communication, reactions and interpersonal relationships.