Impalpable

1.

(not capable of being felt or perceived by the senses, esp. by touch) ដែលមិនអាចស្ទាបដឹង, ដែលគ្មានសម្ផស្ស, ស្ទាបមិនដឹង, ដែលមិនអាចរឹបអូសបាន

2.

(FIGURATIVE) ដែលមិនអាចយល់បាន, សំគាល់ឃើញ, ដែលមិនអាចចាប់យកបាន

1.

Not palpable; that cannot be felt; extremely fine, so that no grit can be perceived by touch.

2.

Not material; intangible; incorporeal.

3.

Not apprehensible, or readily apprehensible, by the mind; unreal; as, impalpable distinctions.