Antonyms of adj palpable

2 senses of palpable

Sense 1
palpable (vs. impalpable), tangible -- (capable of being perceived; especially capable of being handled or touched or felt; "a barely palpable dust"; "felt sudden anger in a palpable wave"; "the air was warm and close--palpable as cotton"; "a palpable lie")

impalpable (vs. palpable) -- (imperceptible to the senses or the mind; "an impalpable cloud"; "impalpable shadows"; "impalpable distinctions"; "as impalpable as a dream")
        => elusive, subtle -- (difficult to detect or grasp by the mind or analyze; "his whole attitude had undergone a subtle change"; "a subtle difference"; "that elusive thing the soul")

Sense 2
palpable -- (can be felt by palpation; "a palpable tumor")

INDIRECT (VIA perceptible) -> imperceptible, unperceivable -- (impossible or difficult to perceive by the mind or senses; "an imperceptible drop in temperature"; "an imperceptible nod"; "color is unperceivable to the touch")

Similarity of adj palpable

2 senses of palpable

Sense 1
palpable (vs. impalpable), tangible -- (capable of being perceived; especially capable of being handled or touched or felt; "a barely palpable dust"; "felt sudden anger in a palpable wave"; "the air was warm and close--palpable as cotton"; "a palpable lie")
       => perceptible -- (easily perceived by the senses or grasped by the mind; "a perceptible sense of expectation in the court")
          Also See-> perceptible#1

Sense 2
palpable -- (can be felt by palpation; "a palpable tumor")
       => perceptible (vs. imperceptible) -- (capable of being perceived by the mind or senses; "a perceptible limp"; "easily perceptible sounds"; "perceptible changes in behavior")