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Definition of invaluable

invaluable

/ɪnˈvæl.ju.ə.bəl/
in · val · u · a · ble
Adverb:invaluably
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invaluable Lexical Profile

invaluable Game Scores & Validity

• adjective

1

Extremely useful, indispensable, or of a worth so great that it is beyond estimation.

Example

"Her extensive knowledge of local history proved invaluable to the research team."

Synonyms
View all synonyms for invaluable
Antonyms
View all antonyms for invaluable

Word Nuance & Usage

Despite the negative prefix 'in-', 'invaluable' does not mean 'without value' (which is 'valueless' or 'worthless'); rather, it means so valuable that its worth cannot be measured or estimated.

• Rhymes for invaluable

• Nearby Words

invalidation
invalidity
invalidly
invaluable
invaluably
invariable
invariably

Word Origin & Etymology

First recorded in the late 16th century, formed from the prefix 'in-' (meaning 'not') and 'valuable', literally signifying something incapable of being valued or priced.

Cite this Entry

Wordmom. (2026). Definition of Invaluable. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/invaluable
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