| impalpable | (adj) imperceptible to the senses or the mind, Ant. palpable, Example: an impalpable cloud; impalpable shadows; impalpable distinctions; as impalpable as a dream |
| impalpable | (adj) not perceptible to the touch, Example: an impalpable pulse |
| Impalpability | n. [ Cf. F. impalpabilité. ] The quality of being impalpable. Jortin. [ 1913 Webster ] |
| Impalpable | a. [ Pref. im- not + palpable: cf. F. impalpable. ] |
| Impalpably | adv. In an impalpable manner. [ 1913 Webster ] |