thoughtlessness

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.

Lightness is a related term of thoughtlessness.

As nouns the difference between lightness and thoughtlessness

is that lightness is (uncountable) the condition of being illuminated or lightness can be the state of having little weight, or little force while thoughtlessness is disregard for other's feelings.

Thoughtlessness is a related term of sport.

As nouns the difference between thoughtlessness and sport

is that thoughtlessness is disregard for other's feelings while sport is fun, pastime, sport.

Fickleness is a related term of thoughtlessness.

As nouns the difference between fickleness and thoughtlessness

is that fickleness is the quality of being fickle while thoughtlessness is disregard for other's feelings.

As nouns the difference between thoughtlessness and insensitivity

is that thoughtlessness is disregard for other's feelings while insensitivity is the condition of being insensitive.

As nouns the difference between taxonomy and thoughtlessness

is that taxonomy is the science or the technique used to make a classification while thoughtlessness is disregard for other's feelings.

As nouns the difference between thoughtlessness and inconsideracy

is that thoughtlessness is disregard for other's feelings while inconsideracy is (obsolete) the quality of being inconsiderate; thoughtlessness.