Synonyms of uncommon

uncommon

adjective

ˌən-ˈkä-mən 

1

as in unusual

being out of the ordinary

a landscape of uncommon beauty

Synonyms & Similar Words

• unusual
• extraordinary
• exceptional
• unique
• rare
• abnormal
• odd
• outstanding
• remarkable
• singular
• exceeding
• atypical
• incredible
• anomalous
• peculiar
• phenomenal
• noticeable
• unwonted
• aberrant
• especial
• striking
• uncustomary
• notable
• prominent
• freak
• conspicuous
• preternatural
• salient
• aberrated
• strange
• bizarre
• eccentric
• extraordinaire
• inconceivable
• weird
• outlandish
• deviant
• incomprehensible
• quaint
• unthinkable
• unimaginable
• oddball
• freakish
• monstrous

Antonyms & Near Antonyms

• common
• normal
• typical
• ordinary
• usual
• customary
• unexceptional
• frequent
• familiar
• unextraordinary
• everyday

2

as in rare

noticeably different from what is generally found or experienced

backyard swimming pools are not an uncommon sight in that neighborhood

Synonyms & Similar Words

• unusual
• rare
• strange
• funny
• weird
• extraordinary
• peculiar
• curious
• unique
• odd
• bizarre
• special
• offbeat
• singular
• out-of-the-way
• abnormal
• unaccustomed
• uncustomary
• remarkable
• queer
• eccentric
• exceptional
• noticeable
• atypical
• outlandish
• noteworthy
• outré
• oddball
• notable
• particular
• aberrant
• newsworthy
• far-out
• way-out
• kooky
• kookie
• irregular

Antonyms & Near Antonyms

• common
• ordinary
• usual
• plain
• normal
• typical
• unexceptional
• familiar
• regular
• predictable
• expected

Synonym Chooser

How is the word uncommon distinct from other similar adjectives?

Some common synonyms of uncommon are infrequent, rare, scarce, and sporadic. While all these words mean "not common or abundant," uncommon suggests a frequency below normal expectation.

smallpox is now uncommon in many countries

When could infrequent be used to replace uncommon?

In some situations, the words infrequent and uncommon are roughly equivalent. However, infrequent implies occurrence at wide intervals in space or time.

infrequent family visits

When would rare be a good substitute for uncommon?

The words rare and uncommon are synonyms, but do differ in nuance. Specifically, rare suggests extreme scarcity or infrequency and often implies consequent high value.

rare first editions

When is it sensible to use scarce instead of uncommon?

While in some cases nearly identical to uncommon, scarce implies falling short of a standard or required abundance.

jobs were scarce during the Depression

In what contexts can sporadic take the place of uncommon?

The words sporadic and uncommon can be used in similar contexts, but sporadic implies occurrence in scattered instances or isolated outbursts.

sporadic cases of influenza

Example Sentences

Recent Examples of uncommon

This communication challenge isn't uncommon among Indian executives, according to ghSMART's research. —Gabriel Snyder, MSNBC Newsweek, 23 July 2025

While enforcement against federal government lawyers has historically been uncommon, sustained documentation by court observers can provide the evidence needed for formal complaints. —Cassandra Burke Robertson, The Conversation, 23 July 2025

Variations in the Earth's rotation are not uncommon: On July 9, for example, the Earth's quick spin shortened the day by nearly 1.4 milliseconds. —Nell Greenfieldboyce, NPR, 22 July 2025

Colorado semi-truck accidents aren’t uncommon — in 2024, a federal agency reported 1,808 Colorado crashes involving large trucks. —Sponsored Content, Denver Post, 21 July 2025