very numerous or great.
unable to be calculated; beyond calculation.
incapable of being forecast or predicted; undeterminable.
uncertain; unsure.

Origin of incalculable

First recorded in 1785–95; in-3 + calculable
Related formsin·cal·cu·la·bil·i·ty, in·cal·cu·la·ble·ness, nounin·cal·cu·la·bly, adverb

Synonyms for incalculable Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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Historical Examples of incalculable

British Dictionary definitions for incalculable



beyond calculation; unable to be predicted or determined
Derived Formsincalculability or incalculableness, nounincalculably, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for incalculable

1795, from in- (1) "not, opposite of" + calculable (see calculate). Related: Incalculably; incalculability.

Online Etymology Dictionary, © 2010 Douglas Harper