adjective
impossible or difficult to perceive by the mind or senses
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an imperceptible drop in temperature
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an imperceptible nod
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color is unperceivable to the touch
• Syn: ↑imperceptible
• Ant: ↑perceptible (for: ↑imperceptible)
• Similar to:
↑impalpable, ↑incognizable, ↑incognoscible, ↑indiscernible, ↑insensible, ↑undetectable, ↑subliminal, ↑unobservable
• See Also: ↑impalpable, ↑inaudible, ↑unhearable, ↑invisible, ↑unseeable
• Derivationally related forms: ↑imperceptibility (for: ↑imperceptible)
Useful english dictionary. 2012.