levity

Levity is a related term of thoughtlessness.

As nouns the difference between levity and thoughtlessness

is that levity is lightness of manner or speech, frivolity while thoughtlessness is disregard for other's feelings.

As nouns the difference between flightiness and levity

is that flightiness is the quality of being flighty while levity is lightness of manner or speech, frivolity.

Giddiness is a related term of levity.

As nouns the difference between giddiness and levity

is that giddiness is the state of being giddy while levity is lightness of manner or speech, frivolity.

In obsolete terms the difference between desultory and levity

is that desultory is leaping, skipping or flitting about, generally in a random or unsteady manner while levity is lack of steadiness.

As an adjective desultory

is jumping, or passing, from one thing or subject to another, without order or rational connection; without logical sequence.

As a noun levity is

lightness of manner or speech, frivolity.

As nouns the difference between levity and livity

is that levity is lightness of manner or speech, frivolity while livity is harmony in a natural world and living faith.

As a noun levity

is lightness of manner or speech, frivolity.

As an adjective witty is

(label) wise, having good judgement.

As a noun levity is

lightness of manner or speech, frivolity.

As nouns the difference between levity and heroism

is that levity is lightness of manner or speech, frivolity while heroism is the qualities characteristic of a hero, such as courage, bravery, fortitude, unselfishness, etc; the display of such qualities.

As nouns the difference between taxonomy and levity

is that taxonomy is the science or the technique used to make a classification while levity is lightness of manner or speech, frivolity.

As nouns the difference between levity and dismay

is that levity is lightness of manner or speech, frivolity while dismay is a sudden or complete loss of courage and firmness in the face of trouble or danger; overwhelming and disabling terror; a sinking of the spirits; consternation.

As a verb dismay is

to disable with alarm or apprehensions; to depress the spirits or courage of; to deprive of firmness and energy through fear; to daunt; to appall; to terrify.