incompatible

Used especially of drugs or muscles that counteract or neutralize each other's effect.

Not compatible with other facts.

Of words so related that one contrasts with the other.

Not in keeping with what is correct or proper.

Not easy to combine harmoniously.

Not suitable to your tastes or needs.

Incapable of being used with or connected to other devices or components without modification.

Not compatible.

“incompatible personalities”

“incompatible colors”

Used especially of solids or solutions; incapable of blending into a stable homogeneous mixture.