Having pertinence or relevance; connected or related. Considered in comparison with something else: the relative quiet of the suburbs. Dependent on or interconnected with something else; not absolute. See Synonyms at dependent. Grammar Referring to or qualifying an antecedent, as the pronoun who in the man who was on TV or that in the dictionary that I use. Music Having the same key signature. Used of major and minor scales and keys: A minor is the relative minor of C major. One related by kinship, common origin, or marriage. Something having a relation or connection to something else. Grammar A relative pronoun.