contentious

As an adjective contentious

is marked by heated arguments or controversy.

As a noun arguments is

.

As a verb controvert

is to dispute or argue using reason.

As an adjective contentious is

marked by heated arguments or controversy.

As an adjective contentious

is marked by heated arguments or controversy.

As a verb contended is

(contend).

As adjectives the difference between contentious and contented

is that contentious is marked by heated arguments or controversy while contented is satisfied.

As a verb contented is

past tense of content.

As adjectives the difference between triumphant and contentious

is that triumphant is celebrating victory while contentious is marked by heated arguments or controversy.

As adjectives the difference between playful and contentious

is that playful is liking play, prone to play frequently, such as a child or kitten; rather sportive while contentious is marked by heated arguments or controversy.

As adjectives the difference between contentious and vexatious

is that contentious is marked by heated arguments or controversy while vexatious is causing vexation or annoyance; teasing; troublesome.

As adjectives the difference between contentious and contested

is that contentious is marked by heated arguments or controversy while contested is controversial; contentious; debated.

As a verb contested is

past tense of contest.

As a noun favor

is a kind or helpful deed; an instance of voluntarily assisting (someone).

As a verb favor

is (transitive)  to look upon fondly; to prefer.

As an adjective contentious is

marked by heated arguments or controversy.

As adjectives the difference between competitive and contentious

is that competitive is capable of competing successfully while contentious is marked by heated arguments or controversy.