to be unlike, dissimilar, or distinct in nature or qualities (often followed by from): The two writers differ greatly in their perceptions of the world. Each writer's style differs from that of another.
to disagree in opinion, belief, etc.; be at variance; disagree (often followed by with or from): His business partner always differs with him.
Obsolete. to dispute; quarrel.
(often foll by from) to be dissimilar in quality, nature, or degree (to); vary (from)
often foll by from or with. to be at variance (with); disagree (with)