rare
1 Americanadjective
-
coming or occurring far apart in time; unusual; uncommon: His visits are rare occasions.
a rare disease;
His visits are rare occasions.
- Synonyms:
- singular, extraordinary, exceptional
- Antonyms:
- common
-
thinly distributed over an area; few and widely separated.
Lighthouses are rare on that part of the coast.
- Synonyms:
- infrequent, infrequent, sparse
- Antonyms:
- frequent
-
having the component parts not closely compacted together; not dense: lightheaded from the rare mountain air.
rare gases;
lightheaded from the rare mountain air.
-
unusually great.
a rare display of courage.
-
unusually excellent; admirable; fine.
She showed rare tact in inviting them.
- Synonyms:
- inimitable, incomparable, choice
- Antonyms:
- inferior
adjective
verb (used without object)
adjective
-
not widely known; not frequently used or experienced; uncommon or unusual
a rare word
-
occurring seldom
a rare appearance
-
not widely distributed; not generally occurring
a rare herb
-
(of a gas, esp the atmosphere at high altitudes) having a low density; thin; rarefied
-
uncommonly great; extreme
kind to a rare degree
-
exhibiting uncommon excellence; superlatively good or fine
rare skill
-
highly valued because of its uncommonness
a rare prize
adjective
Other Word Forms
- rareness noun
Etymology
Origin of rare1
First recorded in 1350–1400; Middle English rar(e), rer(e) “light, airy, loose,” from Latin rārus “loose, porous, wide apart, thin, infrequent”
Origin of rare2
First recorded in 1610–20; variant of earlier rear, Middle English rere, hrere, Old English hrēr “(of eggs) lightly boiled”
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.
Prices could be higher if fuel surcharges increase by the time the ticket gets issued, though this is rare, he said.
It is an inherited, rare, progressive and incurable condition.
From BBC
It’s focused on helium-3 to start with, since the gas is rare on the Earth but expected to be found in greater abundance on the moon.
From MarketWatch
The latter is approved to treat two rare kidney diseases.
From Barron's
Apellis has two approved drugs: Empaveli, which is approved to treat two rare kidney diseases, and Syforvre, which is used by patients with geographic atrophy, an advanced form of dry age-related macular degeneration.
From MarketWatch
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.