inanity

As nouns the difference between thoughtlessness and inanity

is that thoughtlessness is disregard for other's feelings while inanity is (uncountable) the property of being inane, of lacking material of interest or satisfaction, emptiness.

As an adjective nonsensical

is without sense; unmeaning; absurd; foolish; irrational; preposterous.

As a noun inanity is

(uncountable) the property of being inane, of lacking material of interest or satisfaction, emptiness.

As an adverb insanely

is in an insane manner.

As a noun inanity is

(uncountable) the property of being inane, of lacking material of interest or satisfaction, emptiness.

As nouns the difference between inanity and sanity

is that inanity is (uncountable) the property of being inane, of lacking material of interest or satisfaction, emptiness while sanity is the condition of being sane.

As nouns the difference between inanity and void

is that inanity is (uncountable) the property of being inane, of lacking material of interest or satisfaction, emptiness while void is an empty space; a vacuum or void can be .

As an adjective void is

containing nothing; empty; vacant; not occupied; not filled.

As a verb void is

(label) to make invalid or worthless.

As an adjective senseless

is bereft of feeling or consciousness; deprived of sensation; unconscious; insensible.

As a noun inanity is

(uncountable) the property of being inane, of lacking material of interest or satisfaction, emptiness.

In uncountable|lang=en terms the difference between inanity and futility

is that inanity is (uncountable) the property of being inane, of lacking material of interest or satisfaction, emptiness while futility is (uncountable) unimportance.

As nouns the difference between inanity and futility

is that inanity is (uncountable) the property of being inane, of lacking material of interest or satisfaction, emptiness while futility is (uncountable) the quality of being futile or useless.

As nouns the difference between inanity and vanity

is that inanity is the property of being inane, of lacking material of interest or satisfaction, emptiness while vanity is that which is vain, futile, or worthless; that which is of no value, use or profit.

Senselessness is a related term of inanity.

As nouns the difference between senselessness and inanity

is that senselessness is the state of being senseless; unsense while inanity is (uncountable) the property of being inane, of lacking material of interest or satisfaction, emptiness.