unperceivable

from WordNet (r) 3.0 (2006)
unperceivable
    adj 1: impossible or difficult to perceive by the mind or
           senses; "an imperceptible drop in temperature"; "an
           imperceptible nod"; "color is unperceivable to the touch"
           [syn: {imperceptible}, {unperceivable}] [ant:
           {perceptible}]
    
from The Collaborative International Dictionary of English v.0.48
Unperceivable \Unperceivable\
   See {perceivable}.
    

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