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or discernable

[dih-sur-nuh-buh l, -zur-] /dɪˈsɜr nə bəl, -ˈzɜr-/
capable of being discerned; distinguishable.
Origin of discernible
1555-65; < Latin discernibilis (see discern, -ible); replacing earlier discernable < Middle French, equivalent to discern(er) to discern + -able -able
Related forms
discernibleness, discernableness, noun
discernibly, discernably, adverb
undiscernable, adjective
undiscernably, adverb
undiscernible, adjective
undiscernibly, adverb Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for undiscernible
Historical Examples
  • undiscernible, un-di-zer′ni-bl, adj. indiscernible—also Undiscer′nable.

  • Old localities were undiscernible from the snow and icy aggressions.

    North-Pole Voyages Zachariah Atwell Mudge
  • Either christianity is something and discernible, or nothing and undiscernible.

    A Christian Directory Baxter Richard
  • All the undiscernible difficulties and dangers he had ever feared were closing in, when he could not stir hand or foot.

    Little Dorrit Charles Dickens
  • In the morning at the break of day the forest was full of voices, strange and undiscernible to the inhabitant of the town.

    Beasts, Men and Gods Ferdinand Ossendowski
  • Thus, for some undiscernible reason, duels are not infrequent, which generally end in the death of one or both combatants.

    Animal Intelligence George J. Romanes
  • It seemed incredible that mere paths, often all but undiscernible close at hand, should be distinguishable from this distance.

    Tom Slade on Mystery Trail Percy Keese Fitzhugh
  • But, with this exception, the man is undiscernible through the mists of three intervening centuries.

  • It might be he, undiscernible in the distance, or it might be some one from him, some messenger or ambassador.

    Madonna Mary Mrs. Oliphant
British Dictionary definitions for undiscernible


able to be discerned; perceptible
Derived Forms
discernibly, (rarely) discernably, 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
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Word Origin and History for undiscernible



also discernable, 1560s, from French discernable, from discerner (see discern). Form with -a- was more common at first; spelling changed to -i- 17c. to conform to Latin discernibilis.

Online Etymology Dictionary, © 2010 Douglas Harper
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