from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Not perceivable; imperceptible.

from The Century Dictionary and Cyclopedia

  • Incapable of being perceived; not perceptible.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. impossible or difficult to perceive by the mind or senses


from Wiktionary, Creative Commons Attribution/Share-Alike License

un- +‎ perceivable


  • Thrice, beyond the boundaries of Somo, he encountered the little black bushmen who were more like ghosts than men, so noiseless and unperceivable were they, and who, guarding the wild-pig runways of the jungle, missed spearing him on the three memorable occasions.


  • Behind the stand of pine, the first light glowed phosphorescent; a smoky green smear almost unperceivable that blended into the purple rose sunrise.


  • To us, it's about permeating throughout our culture in subtle ways, almost unperceivable ways.

    Nick Kreiss: Adrian Grenier Sees the Big Picture

  • Dark does not imply evil but simply unseen or unperceivable.

    God is Not a Christian, Nor a Jew, Muslim, Hindu …

  • His body lived on outside of him, in a world inaccessible and unperceivable.

    Falling Behind | Heretical Ideas Magazine

  • This thing, whatever it is, seems simply to pop into existence with no more than a strange humming buzz, challenging your presence for a moment, and then popping back into the ether with a nigh-unperceivable tirade of twittering squeaks.

    Say Hello to My Little Friend–The Hummingbird

  • It is not the same with the arts which possess actual beauties, which are discernible by a good taste, and unperceivable by a bad one; which last, however, may frequently be improved.

    A Philosophical Dictionary

  • It is also unperceivable, as being devoid of all sensible qualities, and so cannot be the occasion of our perceptions in the latter sense: as when the burning my finger is said to be the occasion of the pain that attends it.

    A Treatise Concerning the Principles of Human Knowledge, by George Berkeley

  • In proportion therefore as the sense is rendered more acute, it perceives a greater number of parts in the object, that is, the object appears greater, and its figure varies, those parts in its extremities which were before unperceivable appearing now to bound it in very different lines and angles from those perceived by an obtuser sense.

    A Treatise Concerning the Principles of Human Knowledge, by George Berkeley

  • Such is the artificial contrivance of this mighty machine of nature that, whilst its motions and various phenomena strike on our senses, the hand which actuates the whole is itself unperceivable to men of flesh and blood.

    A Treatise Concerning the Principles of Human Knowledge, by George Berkeley


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