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

But locals rely on that area for much more than golfing — and worry the district could lose an invaluable recreational oasis. — Rachel Treisman, NPR, 23 Oct. 2026

While accepting her award, Louis-Dreyfus reflected on her own health journey with breast cancer and the invaluable importance of care and nurturance and while sick. — Brianna J. Heath, Footwear News, 20 Oct. 2026

Information sharing is invaluable to Ukrainian defense efforts against Russian ballistic missile attacks by giving the locations of missile launchers along with data on where the strikes are being directed, and when. — Sana Noor Haq, CNN Money, 14 Oct. 2026

The team also worked closely with set decorator, Alice Davies, whose contributions proved invaluable. — Jazz Tangcay, Variety, 12 Oct. 2026