Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

EXAMPLES FROM THE WEB FOR LOUDER

She heard him speaking in a voice not louder than a whisper, rapid, distinct.

It was no louder than a whisper from without—the creak of a board.

A hinge creaked, but it was no louder than the rustle of silk against silk.

At last it came again, louder than before, but equally confused.

Louder yet, Vengeance, with a little oath or so added, and yet it will hardly bring her.

Louder, Vengeance, much louder, and still she will scarcely hear thee.

There was a sound in the bushes above me—a louder sound and a rush.

Louder sounded the footsteps, plainer the voices of the redcoats.

I called—louder—and louder yet; but there was no response, and I knew I was alone.

The close was lost in a louder peal of thunder than had yet burst.

WORD ORIGIN

Old English hlud "noisy, making noise, sonorous," from West Germanic *khluthaz "heard" (cf. Old Frisian and Old Saxon hlud, Middle Dutch luut, Dutch luid, Old High German hlut, German laut "loud"), from PIE past participle *klutos- (cf. Sanskrit srutah, Greek klytos "heard of, celebrated," Armenian lu "known," Welsh clod "praise"), from root *kleu- "to hear" (see listen).

Application to colors first recorded 1849. The adverb is from Old English hlude, from Proto-Germanic *khludai (cf. Dutch luid, German laut). Paired with clear since at least c.1650.