Synonyms of inestimable

inestimable

adjective

(ˌ)i-ˈne-stə-mə-bəl 

as in invaluable

having a value beyond any ability to appraise or adequately appreciate

Einstein's inestimable contributions to science

Synonyms & Similar Words

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

Antonyms & Near Antonyms

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

Example Sentences

Recent Examples of inestimable

A number of tables in this book are of inestimable value. — Joshua Siskin, Oc Register, 24 Jan. 2026

Author Ben Zotto, who wrote the book on Buckter, said his impact on San Francisco's landscape is inestimable. — Itay Hod, CBS News, 6 Jan. 2026

The New Yorker’s inestimable critic-at-large Anthony Lane joined me and Choiński at an event in the city’s great Market Square for a discussion about the magazine. — Adam Gopnik, New Yorker, 30 Oct. 2025

The risks are insignificant compared to the inestimable cost of inaction. — Khaleda Rahman, MSNBC Newsweek, 29 Aug. 2025