chumminess

the state of being in a very personal or private relationship her chumminess with the boss did not sit well with some of her coworkers Synonyms belonging, familiarity, closeness, inseparability, intimacy, nearnessRelated Words immediacy; affinity, kinship; commitment, devotedness, devotion; affection, attachment, fondness, love, passion; constancy, faithfulness, fidelity; amity, fellowship, friendship, goodwill; affability, conviviality, cordiality, geniality; mutuality; cliquishness, clubbinessNear Antonyms aloofness, coldness, coolness, remoteness, reserveAntonyms distance