impalpable
adjective
1. incapable of being perceived by the senses especially the sense of touch
Similar word(s): abstract, intangible
2. imperceptible to the senses or the mind
- an impalpable cloud
- impalpable shadows
- impalpable distinctions
Similar word(s): elusive, subtle, imperceptible, unperceivable
3. not perceptible to the touch
- an impalpable pulse
Similar word(s): imperceptible, unperceivable