- not compatible; unable to exist together in harmony: She asked for a divorce because they were utterly incompatible.
- contrary or opposed in character; discordant: incompatible colors.
- that cannot coexist or be conjoined.
- Logic.
- (of two or more propositions) unable to be true simultaneously.
- (of two or more attributes of an object) unable to belong to the object simultaneously; inconsistent.
- (of positions, functions, ranks, etc.) unable to be held simultaneously by one person.
- of or relating to biological substances that interfere with one another physiologically, as different types of blood in a transfusion.
- of or relating to drugs that interfere with one another chemically or physiologically and therefore cannot be mixed or prescribed together.
- incompatible persons or things.
- an incompatible drug or the like.
- incompatibles, Logic.
- two or more propositions that cannot be true simultaneously.
- two or more attributes that cannot simultaneously belong to the same object.
- incapable of living or existing together in peace or harmony; conflicting or antagonistic
- opposed in nature or quality; inconsistent
- (of an office, position, etc) only able to be held by one person at a time
- (esp of two drugs or two types of blood) incapable of being combined or used together; antagonistic
- (of two propositions) unable to be both true at the same time
- (of plants)
- not capable of forming successful grafts
- incapable of fertilizing each other
- maths another word for inconsistent (def. 4)
- a person or thing that is incompatible with another
