impenetrable

Squeezed is a related term of impenetrable.

As a verb squeezed

is (squeeze).

As an adjective impenetrable is

impenetrable.

Difficult is a related term of impenetrable.

As adjectives the difference between difficult and impenetrable

is that difficult is hard, not easy, requiring much effort while impenetrable is impenetrable.

As a verb difficult

is (obsolete|transitive) to make difficult; to impede; to perplex.

Impenetrable is a related term of perplexing.

As adjectives the difference between impenetrable and perplexing

is that impenetrable is impenetrable while perplexing is confusing or puzzling.

As a verb perplexing is

.

Burdensome is a related term of impenetrable.

As adjectives the difference between burdensome and impenetrable

is that burdensome is of or like a burden; arduous or demanding while impenetrable is impenetrable.

Impenetrable is a related term of inexplicable.

As adjectives the difference between impenetrable and inexplicable

is that impenetrable is impenetrable while inexplicable is impossible to explain; not easily accounted for.

Tight is a related term of impenetrable.

As adjectives the difference between tight and impenetrable

is that tight is firmly held together; compact; not loose or open while impenetrable is impenetrable.

As an adverb tight

is firmly, so as not to come loose easily.

As a verb tight

is (obsolete) to tighten.

As adjectives the difference between impenetrable and unreasonable

is that impenetrable is not penetrable while unreasonable is not reasonable.

Strenuous is a related term of impenetrable.

As adjectives the difference between strenuous and impenetrable

is that strenuous is urgent, ardent, zealous while impenetrable is impenetrable.

Impenetrable is a synonym of inaccessible.

As adjectives the difference between impenetrable and inaccessible

is that impenetrable is impenetrable while inaccessible is not able to be accessed; out of reach; inconvenient.

As a noun inaccessible is

(mathematics) an uncountable regular cardinal number that is a limit cardinal.

As adjectives the difference between incoherent and impenetrable

is that incoherent is lacking coherence or agreement; incongruous; inconsistent; not logically connected while impenetrable is not penetrable.