insurmountable

[in-ser-moun-tuh-buh l]

adjective

incapable of being surmounted, passed over, or overcome; insuperable: an insurmountable obstacle.

Origin of insurmountable

First recorded in 1690–1700; in-³ + surmountable

Related formsin·sur·mount·a·bil·i·ty, in·sur·mount·a·ble·ness, nounin·sur·mount·a·bly, adverb

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for insurmountably

Historical Examples of insurmountably

Neither of them connected any definite idea with the number; it merely meant the insurmountably great.
Pelle the Conqueror, Complete
Martin Anderson Nexo

British Dictionary definitions for insurmountably

insurmountable

adjective

incapable of being overcome; insuperable

Derived Formsinsurmountability or insurmountableness, nouninsurmountably, 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 insurmountably

insurmountable

adj.

1690s, from in- (1) "not, opposite of" + surmountable (see surmount). Related: Insurmountably.