Definitions
1.adjectiveMaking a transit or passage.
2.adjectiveAffected by transference of signification.
3.adjective(grammar, of a verb) Taking a direct object or objects."The English verb "to notice" is a transitive verb, because we say things like "She noticed a problem"."
4.adjective(of a relation on a set) Having the property that if an element x is related to y and y is related to z, then x is necessarily related to z.""Is an ancestor of" is a transitive relation: if Alice is an ancestor of Bob, and Bob is an ancestor of Carol, then Alice is an ancestor of Carol."
5.adjective(of a group action) Such that, for any two elements of the acted-upon set, some group element maps the first to the second.
6.adjective(of a graph) Such that, for any two vertices there exists an automorphism which maps one to the other.