uncommon

adjective

un·​com·​mon ˌən-ˈkä-mən 

1

: not ordinarily encountered : unusual

an uncommon plant

2

: remarkable, exceptional

a soldier of uncommon courage

uncommonly adverb

uncommonness

ˌən-ˈkä-mən-nəs 

noun

Synonyms

• aberrant
• aberrated
• abnormal
• anomalous
• atypical
• especial
• exceeding
• exceptional
• extraordinaire
• extraordinary
• freak
• odd
• peculiar
• phenomenal
• preternatural
• rare
• singular
• uncustomary
• unique
• unusual
• unwonted

Choose the Right Synonym for uncommon

infrequent, uncommon, scarce, rare, sporadic mean not common or abundant.

infrequent implies occurrence at wide intervals in space or time.

infrequent family visits

uncommon suggests a frequency below normal expectation.

smallpox is now uncommon in many countries

scarce implies falling short of a standard or required abundance.

jobs were scarce during the Depression

rare suggests extreme scarcity or infrequency and often implies consequent high value.

rare first editions

sporadic implies occurrence in scattered instances or isolated outbursts.

sporadic cases of influenza

Examples of uncommon in a Sentence

It is not uncommon for people to become depressed after they retire.

an athlete with uncommon ability

a soldier of uncommon courage

She is an uncommon woman.

Recent Examples on the Web

Then again, this drought is uncommon for the 22-year-old center fielder. —Jeff Sanders, San Diego Union-Tribune, 17 May 2025

At the time, the method was uncommon in Texas, according to Michelle Johnson, project manager of the William J. Hill Texas Artisans and Artists Archive at the Bayou Bend Collection and Gardens, part of the Museum of Fine Arts, Houston. —Jacoba Urist, Smithsonian Magazine, 15 May 2025

Flares of this magnitude are uncommon, the service added. —Joe Edwards, MSNBC Newsweek, 15 May 2025

Solar flares of this magnitude are uncommon, according to the NOAA Space Weather Prediction Center (SWPC). —Daisy Dobrijevic, Space.com, 14 May 2025

Word History

First Known Use

circa 1576, in the meaning defined at sense 1

Rhymes for uncommon

• aman
• brahman
• brahmin
• common
• lawman

Kids Definition

uncommon

adjective

un·​com·​mon ˌən-ˈkäm-ən 

ˈən-

1

: not ordinarily found or experienced : unusual

not uncommon to catch a cold

2

: extraordinary, remarkable, exceptional

has uncommon ability

uncommonly adverb

uncommonness

-ən-nəs 

noun