noisy

American

[noi-zee] / ˈnɔɪ zi /

adjective

noisier, noisiest

making much noise.

noisy children.

Synonyms:

vociferous, uproarious, tumultuous, clamorous

Antonyms:

quiet
abounding in or full of noise.

a noisy assembly hall.
characterized by much noise.

a noisy celebration; a noisy protest.

noisy British

/ ˈnɔɪzɪ /

adjective

making a loud or constant noise
full of or characterized by noise

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Related Words

See loud.

Other Word Forms

noisily adverb
noisiness noun
unnoisily adverb
unnoisy adjective

Etymology

Origin of noisy

First recorded in 1685–95; noise + -y ¹

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Most pulsars emit radio waves that are noisy and spread out across frequencies.

From Science Daily • Mar. 28, 2026

A study published in JASA, on behalf of the Acoustical Society of America by AIP Publishing, set out to test whether closing the eyes truly improves hearing under noisy conditions.

From Science Daily • Mar. 20, 2026

"We heard three noisy interceptions, but on the fourth one, we knew it was our house," said Sigal Amir, who lives next door and was sheltering in her safe room when the explosion hit.

From BBC • Mar. 18, 2026

The singer, who has become something of an expert in calling off gigs, said his latest no-show was due to the "indescribable hell" of a noisy hotel room in Valencia.

From BBC • Mar. 13, 2026

Hers were noisy, and they had dangling shoelaces flapping, unlike his mom's softer steps or his dad's firm, big ones.

From "All About Sam" by Lois Lowry

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023