disputed

adj

1. Argued; not certain, agreed upon, or accepted.

   “The theory, though common, was widely disputed.”

   “The etymology of the term Japlish is disputed and contentiously so.”

2. Claimed by more than one sovereign state.

verb

1. (form-of, participle, past)simple past and past participle of dispute

   “They disputed the issue loudly and vehemently.”