libelous

As adjectives the difference between scurrilous and libelous

is that scurrilous is given to vulgar verbal abuse; foul-mouthed while libelous is defamatory, libeling, referring to something that causes harm to someone's reputation especially with malice or disregard.

As an adjective libelous is

(us) defamatory, libeling, referring to something that causes harm to someone's reputation especially with malice or disregard.

Pesumptive is likely misspelled.

Pesumptive has no English definition.

As an adjective libelous

is defamatory, libeling, referring to something that causes harm to someone's reputation especially with malice or disregard.

As a noun taxonomy

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

As an adjective libelous is

(us) defamatory, libeling, referring to something that causes harm to someone's reputation especially with malice or disregard.

As adjectives the difference between calumnious and libelous

is that calumnious is possessing the traits of calumny while libelous is (us) defamatory, libeling, referring to something that causes harm to someone's reputation especially with malice or disregard.