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

Even better is a 90-minute documentary on the making of the movie made at the time of its release, which offers invaluable behind-the-scenes footage of Kurosawa at work. — Jim Hemphill, IndieWire, 20 July 2026

The Knicks must also make a decision on Dillon Jones, who won back-to-back championships in Oklahoma City and New York in his first two NBA seasons and was an invaluable member of head coach Mike Brown’s brain trust off the court. — Kristian Winfield, New York Daily News, 17 July 2026

Easy to use and highly portable X-ray devices that can produce digital images that can be scrutinized on a tablet or even a smartphone would be invaluable to rescue teams in remote areas or tight spaces. — Keith Cooper, Space.com, 14 July 2026

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