loudtongued
Loudtongued is an informal adjective used to describe a person who speaks excessively loudly or in an unrestrained manner. It suggests a lack of consideration for others' auditory comfort or a tendency to voice opinions or thoughts without restraint. The term can imply boisterousness, garrulousness, or simply an inability to modulate one's speaking volume effectively.
While not a formal psychological or clinical term, "loudtongued" is often used in casual conversation and literature