Antonyms of adj unargumentative

1 sense of unargumentative

Sense 1
unargumentative (vs. argumentative) -- (not given to or characterized by argument)

argumentative (vs. unargumentative) -- (given to or characterized by argument; "an argumentative discourse"; "argumentative to the point of being cantankerous"; "an intelligent but argumentative child")
        => quarrelsome -- (given to quarreling; "arguing children"; "quarrelsome when drinking")
        => contentious, combative, disputatious, disputative, litigious -- (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")
        => eristic, eristical -- (given to disputation for its own sake and often employing specious arguments)

Similarity of adj unargumentative

1 sense of unargumentative

Sense 1
unargumentative (vs. argumentative) -- (not given to or characterized by argument)
       => noncontentious -- (of persons; not given to controversy)