Antonyms of adj contentious

2 senses of contentious

Sense 1
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")

INDIRECT (VIA argumentative) -> unargumentative -- (not given to or characterized by argument)

Sense 2
contentious -- (involving or likely to cause controversy; "a central and contentious element of the book"- Tim W.Ferfuson)

INDIRECT (VIA controversial) -> uncontroversial, noncontroversial -- (not likely to arouse controversy)

Similarity of adj contentious

2 senses of contentious

Sense 1
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")
       => argumentative (vs. unargumentative) -- (given to or characterized by argument; "an argumentative discourse"; "argumentative to the point of being cantankerous"; "an intelligent but argumentative child")

Sense 2
contentious -- (involving or likely to cause controversy; "a central and contentious element of the book"- Tim W.Ferfuson)
       => controversial (vs. uncontroversial) -- (marked by or capable of arousing controversy; "the issue of the death penalty is highly controversial"; "Rushdie's controversial book"; "a controversial decision on affirmative action")