argumentative

adjectives

given to or characterized by argument
"an argumentative discourse"; "argumentative to the point of being cantankerous"; "an intelligent but argumentative child"
is derived from
antonym
is similar to
given to quarreling
"arguing children"; "quarrelsome when drinking"
is similar to
inclined or showing an inclination to dispute or disagree, even to engage in law suits
"a style described as abrasive and contentious"; "a disputatious lawyer"; "a litigious and acrimonious spirit"
is similar to
given to disputation for its own sake and often employing specious arguments