Synonyms: impalpable
Definition: imperceptible to the senses or the mind
Usage: an impalpable cloud; impalpable shadows; impalpable distinctions; as impalpable as a dream
Similar words: elusive, subtle
Definition: difficult to detect or grasp by the mind or analyze
Usage: his whole attitude had undergone a subtle change; a subtle difference; that elusive thing the soul
Synonyms: impalpable
Definition: not perceptible to the touch
Usage: an impalpable pulse
Similar words: imperceptible, unperceivable
Definition: impossible or difficult to perceive by the mind or senses
Usage: an imperceptible drop in temperature; an imperceptible nod; color is unperceivable to the touch