suru verb (irregular)
be incompatible; be contradictory; conflict
Describes two things (opinions, interests, statements) that are mutually opposed or cannot coexist. Often used in formal or written contexts.
彼の主張と彼女の主張は相対立している。
His claim and her claim are contradictory.
この二つの政策は相対立する可能性がある。
These two policies may conflict with each other.