inestimable

Definitions

Too great to be calculated or estimated.

Of such immense value or importance that it cannot be measured.

Examples

The support of my family has been of inestimable value throughout my career.

The museum houses an inestimable collection of ancient artifacts from the Roman era.

The loss of such a brilliant mind is an inestimable tragedy for the scientific community.

Synonyms

invaluable priceless immeasurable incalculable precious infinite vast

Antonyms

worthless valueless cheap insignificant negligible trivial measurable