Meaning of “loud” - Learner’s Dictionary

loud

adjective uk us /laʊd/
NOISE

A2 making a lot of noise:

a loud noise
a loud voice
a loud explosion
CLOTHES

Loud clothes are too bright or have too many colours:

You shouldn't wear anything too loud to a job interview.
loudly adverb

B1

She was speaking very loudly.

(Definition of “loud adjective” from the Cambridge Learner’s Dictionary © Cambridge University Press)