Synonyms of invaluable

invaluable

adjective

(ˌ)in-ˈval-yə-bəl 

as in valuable

having a value beyond any ability to appraise or adequately appreciate

the list of likely donors proved to be invaluable to our fund-raising efforts

Synonyms & Similar Words

• valuable
• inestimable
• priceless
• immeasurable
• incalculable
• precious
• costly
• expensive
• dear
• pricey
• premium
• high
• superexpensive

Antonyms & Near Antonyms

• worthless
• valueless
• no-good
• nothing
• good-for-nothing

Example Sentences

Recent Examples of invaluable

Another source speculated that as sister to the future king, Charlotte would be an invaluable asset. — Bailey Bujnosek, InStyle, 14 July 2026

This makes operando neutron powder diffraction an invaluable tool for tracking structural changes as a battery actually charges and discharges. — Mrigakshi Dixit, Interesting Engineering, 13 July 2026

These are invaluable members of our internship network who are instrumental in opening doors for new journalists. — Scott Lebar, Sacbee.com, 11 July 2026

Elected for three-year terms, members of the board of directors provide invaluable guidance to ensure the continued success of the independent music sector. — Jem Aswad, Variety, 9 July 2026