controversial; contentious; debated

simple past tense and past participle of contest

The act of contesting; emulation / Proof by witness; attestation; testimony.

(uncountable) Controversy; debate. / (uncountable) Struggle for superiority; combat. / (countable) A competition.

(intransitive) To contend. / (transitive) To call into question; to oppose. / (transitive) To strive earnestly to hold or maintain; to struggle to defend.

(US, law) A plea in a criminal case which means that the defendant admits no guilt but is no longer contesting the charges brought against him/her.

(boxing); (informal)

A participant in a contest; specifically, a person who plays a game, as on a TV game show. / One who brings a legal challenge.

plural of contestant

plural of contest