WordWeb Online

1. Subject to disagreement and debate
   "the authorship of the theory is disputed"

1. Take exception to
   "She disputed his claims"
   - challenge, gainsay
    
2. Have a disagreement over something
   - quarrel, scrap, argufy, altercate

See also: controversial, disputant, disputation, disputative

Type of: argue, contend, contest, debate, fence, repugn

Encyclopedia: Dispute