impalpable

As a letter s

is the letter s with a.

As an adjective impalpable is

not able to be perceived by the senses (especially by touch); intangible or insubstantial.

Impalpable is a related term of gossamer.

As adjectives the difference between impalpable and gossamer

is that impalpable is not able to be perceived by the senses (especially by touch); intangible or insubstantial while gossamer is tenuous, light, filmy or delicate.

As a noun gossamer is

a fine film or strand as of cobwebs, floating in the air or caught on bushes etc.

Impalpable is a related term of groundless.

As adjectives the difference between impalpable and groundless

is that impalpable is not able to be perceived by the senses (especially by touch); intangible or insubstantial while groundless is without any grounds to support it; baseless.

Incorporeal is a related term of impalpable.

As adjectives the difference between incorporeal and impalpable

is that incorporeal is having no material form or physical substance while impalpable is not able to be perceived by the senses (especially by touch); intangible or insubstantial.

As a verb impale

is to pierce with a pale; to put to death by fixing on a sharp stake.

As an adjective impalpable is

not able to be perceived by the senses (especially by touch); intangible or insubstantial.

As adjectives the difference between palpable and impalpable

is that palpable is capable of being touched, felt or handled; touchable, tangible while impalpable is not able to be perceived by the senses (especially by touch); intangible or insubstantial.

As adjectives the difference between impalpable and imaginary

is that impalpable is not able to be perceived by the senses (especially by touch); intangible or insubstantial while imaginary is existing only in the imagination.

As a noun imaginary is

imagination; fancy.

As adjectives the difference between impalpable and unnoticeable

is that impalpable is not able to be perceived by the senses (especially by touch); intangible or insubstantial while unnoticeable is not noticeable.

Impalpable is a related term of indefinite.

As adjectives the difference between impalpable and indefinite

is that impalpable is not able to be perceived by the senses (especially by touch); intangible or insubstantial while indefinite is without limit; forever, or until further notice; not definite.