Synonyms of disputed

Verb

1. challenge, dispute, gainsay, contest, contend, repugn

usage: take exception to; "She challenged his claims"

2. quarrel, dispute, scrap, argufy, altercate, argue, contend, debate, fence

usage: have a disagreement over something; "We quarreled over the question as to who discovered America"; "These two fellows are always scrapping over something"

Adjective

1. disputed, controversial (vs. uncontroversial)

usage: subject to disagreement and debate