follow Dictionary.com

Get the details behind our redesign

inconceivable

[in-kuh n-see-vuh-buh l] /ˌɪn kənˈsi və bəl/
adjective
1.
not conceivable; unimaginable; unthinkable.
2.
unbelievable; incredible.
Origin
1625-1635
1625-35; in-3 + conceivable
Related forms
inconceivability, inconceivableness, noun
inconceivably, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
British Dictionary definitions for in-conceivability

inconceivable

/ˌɪnkənˈsiːvəbəl/
adjective
1.
incapable of being conceived, imagined, or considered
Derived Forms
inconceivability, inconceivableness, noun
inconceivably, 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
Cite This Source
Word Origin and History for in-conceivability
inconceivable
1631, from in- "not" + conceivable (see conceive).
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source

Word of The Day

Difficulty index for inconceivable

Few English speakers likely know this word

Word Value for in

2
3
Scrabble Words With Friends

Quotes with in-conceivability