improvident

As adjectives the difference between extempore and improvident

is that extempore is carried out with no preparation; impromptu while improvident is failing to provide for the future; reckless.

As an adverb extempore

is without preparation; extemporaneously.

As a noun extempore

is something improvised.

As adjectives the difference between improvident and impetuous

is that improvident is failing to provide for the future; reckless while impetuous is making arbitrary decisions, especially in an impulsive and forceful manner.

Happygolucky is likely misspelled.

Happygolucky has no English definition.

As an adjective improvident is

failing to provide for the future; reckless.

Lavish is a related term of improvident.

As adjectives the difference between lavish and improvident

is that lavish is expending or bestowing profusely; profuse; prodigal while improvident is failing to provide for the future; reckless.

As a verb lavish

is to expend or bestow with profusion; to use with prodigality; to squander; as, to lavish money or praise.

As a noun foresight

is the ability to foresee or prepare wisely for the future.

As an adjective improvident is

failing to provide for the future; reckless.

As a noun taxonomy

is the science or the technique used to make a classification.

As an adjective improvident is

failing to provide for the future; reckless.

As adjectives the difference between improvident and unprovident

is that improvident is failing to provide for the future; reckless while unprovident is (obsolete) improvident.

As an adjective improvident

is failing to provide for the future; reckless.

As an adverb improvidentially is

improvidently.