frivolous

As adjectives the difference between frivolous and imprudent

is that frivolous is silly, especially at an inappropriate time or in an inappropriate manner while imprudent is not prudent; wanting in prudence or discretion; indiscreet; injudicious; not attentive to consequence; improper.

Poor is a related term of frivolous.

As adjectives the difference between poor and frivolous

is that poor is with little or no possessions or money while frivolous is silly, especially at an inappropriate time or in an inappropriate manner.

As a noun poor

is (with "the") those who have little or no possessions or money, taken as a group.

As adjectives the difference between contemptuous and frivolous

is that contemptuous is showing contempt; expressing disdain; showing a lack of respect while frivolous is silly, especially at an inappropriate time or in an inappropriate manner.

As an adjective frivolous

is silly, especially at an inappropriate time or in an inappropriate manner.

As a noun moot is

size, measure.

As adjectives the difference between frivolous and carefree

is that frivolous is silly, especially at an inappropriate time or in an inappropriate manner while carefree is without cares; free of concern or worries; easy; casual; without difficulty.

As adjectives the difference between pensive and frivolous

is that pensive is having the appearance of deep, often melancholic, thinking while frivolous is silly, especially at an inappropriate time or in an inappropriate manner.

As an adjective frivolous

is silly, especially at an inappropriate time or in an inappropriate manner.

As a noun tomfoolery is

foolish behaviour.

As adjectives the difference between impetuous and frivolous

is that impetuous is making arbitrary decisions, especially in an impulsive and forceful manner while frivolous is silly, especially at an inappropriate time or in an inappropriate manner.

As an adjective frivolous

is silly, especially at an inappropriate time or in an inappropriate manner.

As a noun extravagance is

excessive or superfluous expenditure of money.

As an adjective frivolous

is silly, especially at an inappropriate time or in an inappropriate manner.

As a noun flippancy is

a disrespectful levity or pertness especially in respect to grave or sacred matters.