(of sound) strongly audible; having exceptional volume or intensity

loud talking; loud thunder; loud whispers.

making, emitting, or uttering strongly audible sounds

a quartet of loud trombones.

clamorous, vociferous, or blatant; noisy

a loud party; a loud demonstration.

emphatic or insistent

to be loud in one's praises; a loud denial.

garish, conspicuous, or ostentatious, as colors, dress, or the wearer of garish dress

loud ties; a loud dresser.

obtrusively vulgar, as manners or persons.

strong or offensive in smell.

in a loud manner; loudly

Don't talk so loud.

out loud

aloud; audibly

I thought it, but I never said it out loud. Just whisper, don't speak out loud.