disbelieve

Verb
  1. Reject as false;
    Refuse to accept (synset 200686564)
    is a type of: reject - refuse to accept or acknowledge
    subtypes:
    • doubt - consider unlikely or have doubts about
    • distrust, mistrust, suspect - regard as untrustworthy; regard with suspicion; have no faith or confidence in
    same as: discredit

Other Searches