Nouns (0)

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Verbs (0)

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Adverbs (0)

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Adjectives (4)

undetectable, insensible, indiscernible
adj. barely able to be perceived; "the transition was almost indiscernible"; "an almost insensible change"
undetectable
adj. not easily seen

Fuzzynyms (3)

veiled
adj. muted or unclear; "veiled sounds"; "the image is veiled or foggy"
unseeable, invisible
adj. impossible or nearly impossible to see; imperceptible by the eye; "the invisible man"; "invisible rays"; "an invisible hinge"; "invisible mending"

Synonyms (11)

impalpable
adj. not perceptible to the touch; "an impalpable pulse"
incognoscible, incognizable
adj. incapable of being perceived or known
subliminal
adj. below the threshold of conscious perception
camouflaged
adj. made invisible by means of protective coloring
out of sight, hidden, concealed
adj. not accessible to view; "concealed (or hidden) damage"; "in stormy weather the stars are out of sight"
infrared
adj. having or employing wavelengths longer than light but shorter than radio waves; lying outside the visible spectrum at its red end; "infrared radiation"; "infrared photography"
ultraviolet
adj. having or employing wavelengths shorter than light but longer than X-rays; lying outside the visible spectrum at its violet end; "ultraviolet radiation"; "an ultraviolet lamp"
unseen
adj. not seen or perceived; "unseen natural resources"

Antonyms (0)

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