What does rare mean?
Rare describes something that occurs infrequently, exists in small numbers, or stands out as exceptional. In its most common sense, it contrasts with common: a rare species may be found in only a few locations, while a rare event happens only occasionally. The word can also convey distinction or value, as in a rare talent or a rare achievement, without necessarily implying monetary worth. Because it can suggest both scarcity and excellence, rare often carries a mildly positive tone, although “rare disease” and “rare occurrence” are neutral descriptions. Its frequency is relative to what is being considered: something rare in one country or century may be commonplace in another. Rare is useful when precision matters, since it separates ordinary experience from the uncommon without asserting that something is impossible.
adjectiveOccurring infrequently or in small numbers; uncommon. Also exceptional, distinctive, or unusually valued.
- Uncommon or occurring infrequently.
- Existing in small numbers or limited supply.
- Exceptionally valued, distinctive, or remarkable.
"The rare orchid blooms for only a few days each spring."
"Snow is a rare sight in parts of southern Spain."
"She made a rare contribution to the early development of modern medicine."
Rare descends from the Latin rarus, the same root behind rarity—and at its heart, it means “seldom found.”
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of rare
The English adjective entered Middle English from Old French rare, a borrowing of Latin rarus, meaning “uncommon” or “exceptional.” Over time, the word developed senses involving infrequency, scarcity, and distinction. Its relatives include rarity, rareness, rarify, and rarefaction, all reflecting the same Latin root.
Related word forms
How rare is actually used
Rare is generally neutral and is common in formal and informal contexts. It can suggest scarcity, distinction, or excellence, so its connotation depends on the noun it modifies. There is no substantial British–American difference in usage.
Easily confused with rare
Rare means uncommon or exceptional, whereas scarce emphasizes an insufficient quantity or limited availability.