having two opposing ideas, opinions

conflicting

(an instance of) opposition involving fighting or hatred

causing problem; opposition

opposite to something

antagonistic; opposite

not the same (as a person, thing)

dissimilar, unlike

the act of disagreement; the absence of agreement

dispute, quarrel

rough and unpleasant

rough, crude (to the senses)

not able or suitable to exist together

antagonistic, contradictory

(of a person, opinions, plans etc) that cannot reach an agreement

hostile, conflicting

not like; different from

different

not suitable

not proper, inappropriate