relationship

1 the fact or state of having something in common studied the relationship between the phases of the moon and ocean tides Synonyms affinity, association, bearing, kinship, liaison, linkage, relation, connectionRelated Words correlation, interrelation; materiality, pertinence, relevance; bond, link, tie; affiliation, alliance, union; identicalness, sameness; alikeness, community, likeness, resemblance, similarity; accordance, agreement, conformity, congruity, correspondenceNear Antonyms variability, variance; incompatibility, incongruence, incongruity, incongruousness

2 the state of having shared interests or efforts (as in social or business matters) the street's shopkeepers have a good business relationship Synonyms affiliation, alliance, collaboration, confederation, connection, cooperation, hookup, liaison, linkup, partnership, relation, association, tie-up, unionRelated Words business, dealings, interaction; exchange, interconnection, interrelation, mutualism, reciprocity, symbiosis; incorporation, integration, merger, unification; affinity, attachment, closeness, intimacy, rapport, sympathy; kinship, oneness, solidarity, togetherness, unity; colleagueship, companionship, company, fellowship; bed, cahoots, leagueNear Antonyms breakup, dissolution, disunion; division, parting, separation, severance, split; alienation, divorce, estrangementAntonyms disaffiliation, dissociation