Meaning | impossible or nearly impossible to see; imperceptible by the eye. |
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Synonym | invisible |
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Narrower | camouflaged | made invisible by means of protective coloring |
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concealed, hidden, out of sight | not accessible to view |
infrared | Having or employing wavelengths longer than light but shorter than radio waves |
lightless | Giving no light |
nonvisual | not resulting in vision |
occult | hidden / hidden and difficult to see |
ultraviolet | Having or employing wavelengths shorter than light but longer than X-rays |
undetectable | not easily seen |
unseen | not seen or perceived |
See also | covert | Secret or hidden / hidden |
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imperceptible, unperceivable | impossible or difficult to perceive by the mind or senses |
Opposite | visible, seeable | capable of being seen |
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Spanish | invisible |
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Catalan | invisible |
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