Thesaurus.com
Dictionary.com
Definitions

incalculable

[in-kal-kyuh-luh-buhl] / ɪnˈkæl kyə lə bəl /
ADJECTIVE
countless, limitless
Synonyms
STRONGEST
boundless enormous immense infinite unforeseen untold vast
WEAK
capricious chancy erratic fluctuant iffy incomputable inestimable innumerable jillion measureless no end of no end to numberless uncertain uncountable unfixed unpredictable unreckonable whimsical without number zillion
Antonyms
STRONGEST
bounded limited little minute small tiny
WEAK
calculable countable measurable

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

What meaning did individual human life have in a vast universe that had existed for incalculable eons?

From The Wall Street Journal • Feb. 20, 2026

That is one incalculable, messy club I have no doubt.

From Los Angeles Times • Jan. 8, 2026

At its peak, there were over 6,000 Shakers, joining Ann in rebuking the gruesome, incalculable evils of war and preaching moral generosity.

From Salon • Dec. 27, 2025

In other words, there are cumulative, perhaps incalculable psychological effects, of having a 529 account in the first place.

From MarketWatch • Dec. 24, 2025

“It was of incalculable value! Not to mention it contained years of my personal notes and annotations!”

From "Hollow City" by Ransom Riggs

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.