presumptuous

As adjectives the difference between presumptuous and cantankerous

is that presumptuous is going beyond what is right, proper, or appropriate because of an excess of self-confidence or arrogance while cantankerous is given to or marked by an ill-tempered nature, ill-tempered, cranky, surly, crabby.

As adjectives the difference between presumptious and presumptuous

is that presumptious is misspelling of lang=en while presumptuous is going beyond what is right, proper, or appropriate because of an excess of self-confidence or arrogance.

As adjectives the difference between presumptuous and brash

is that presumptuous is going beyond what is right, proper, or appropriate because of an excess of self-confidence or arrogance while brash is impetuous or rash or brash can be (us|colloquial|dated) brittle, as wood or vegetables.

As a noun brash is

leaf litter of small leaves and little twigs as found under a hedge.

As adjectives the difference between presumptuous and recalcitrant

is that presumptuous is going beyond what is right, proper, or appropriate because of an excess of self-confidence or arrogance while recalcitrant is marked by a stubborn unwillingness to obey authority.

As a noun recalcitrant is

a person who is recalcitrant.

As an adjective presumptuous

is going beyond what is right, proper, or appropriate because of an excess of self-confidence or arrogance.

As a verb patronize is

to make a patron.

As an adjective presumptuous

is going beyond what is right, proper, or appropriate because of an excess of self-confidence or arrogance.

As a verb assume is

to authenticate by means of belief; to surmise; to suppose to be true, especially without proof.

Assumptuous is likely misspelled.

Assumptuous has no English definition.

As an adjective presumptuous is

going beyond what is right, proper, or appropriate because of an excess of self-confidence or arrogance.

As a noun taxonomy

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

As an adjective presumptuous is

going beyond what is right, proper, or appropriate because of an excess of self-confidence or arrogance.