1. hearty Friendly, as said of persons, signifies having the disposition of a friend; as said of acts, it signifies befitting or worthy of a friend. The adjective friendly does not reach the full significa Synonyms: friendly, accessible, companionable, genial, neighborly, affable, complaisant, hearty, sociable, affectionate, cordial, kind, social, amicable, favorable, kindly, tender, brotherly, fond, loving, well-disposed Antonyms: adverse, belligerent, distant, ill-disposed, unfriendly, alienated, cold, estranged, indifferent, unkind, antagonistic, contentious, frigid, inimical, warlike, bellicose, disaffected, hostile