The meaning of RARE is seldom occurring or found : uncommon. How to use rare in a sentence. Synonym Discussion of Rare.

A rare disease is any disease that affects a small percentage of the population. In some parts of the world, the term orphan disease describes a rare disease whose rarity results in little or no funding or …

RARE definition: coming or occurring far apart in time; unusual; uncommon: His visits are rare occasions. See examples of rare used in a sentence.

Definition of rare adjective in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

1. occurring or found infrequently; markedly uncommon: a rare disease. 2. having the component parts loosely compacted; thin: rare gases. 3. unusually great. 4. admirable; exemplary: She showed rare …

RARE meaning: 1. not common or frequent; very unusual: 2. someone or something unusual: 3. (of meat) not cooked…. Learn more.

If something is rare, it is not common, and is therefore interesting, valuable, or unusual. Meat that is rare is cooked very lightly so that the inside is still red.

Dec 22, 2025 · Discover the top 100 pennies worth money. Explore our rare penny value chart by year, including key dates and errors that make pennies valuable.

rare /rɛə/ adj not widely known; not frequently used or experienced; uncommon or unusual: a rare word not widely distributed; not generally occurring: a rare herb (of a gas, esp the atmosphere at high …

2 days ago · USA Rare Earth is attempting to build a business that spans the entire rare-earth metals supply chain. This is notable as rare-earth metals are growing important in high-tech devices and …