noisy

adjective

ˈnȯi-zē 

noisier; noisiest

1

: making noise

noisy trucks and buses

2

: full of or characterized by noise or clamor

a noisy office

a noisy scene

3

: noticeably showy, gaudy, or bright : conspicuous

a noisy sweater

noisily

ˈnȯi-zə-lē 

adverb

noisiness

ˈnȯi-zē-nəs 

noun

Synonyms of noisy

• discordant
• booming
• blatant
• dinning
• dissonant
• rackety
• cacophonous

Examples of noisy in a Sentence

The playground was filled with noisy children.

His lawnmower is very noisy.

Recent Examples on the Web

On a pristine Rhode Island beach teeming with noisy seabirds, a group of biologists armed with nets sneak up on a pair of American oystercatcher chicks. — Michael Casey, Los Angeles Times, 21 July 2026

As Ackman marches purposefully into Central Park, New York’s crown jewel is noisy with the bustle of tourists, popcorn vendors, and horse-and-carriage drivers waiting for passengers. — Jeff John Roberts, Fortune, 20 July 2026

For instance, non-invasive EEG systems generally capture weaker and noisier signals than implanted brain devices, making accuracy and reliability critical hurdles. — Rupendra Brahambhatt, Interesting Engineering, 19 July 2026

These days, noisy, drunk, barely dressed visitors holiday hard in condos that have been converted into vacation rentals. — Linda Robertson, Miami Herald, 16 July 2026

Word History

First Known Use

1675, in the meaning defined at sense 1

Kids Definition

noisy

adjective

ˈnȯi-zē 

noisier; noisiest

1

: making noise

2

: full of or characterized by noise

a noisy street

noisily

-zə-lē 

adverb

noisiness

-zē-nəs 

noun