Antonyms for friendly:
cool, disagreeable, gloomy, cold, unpleasant, disadvantageous, truculent, antagonistic, surly, distant, unfriendly, glacial, solemn, bad, irritable, unsociable, crabby, hostile, quarrelsome, testy, aloof, negative, warlike, hateful, malignant.
Synonyms for friendly:
extreme sport, noncompetitive, rapprochement, well-intentioned, the global village, supranational, olympic, multination, shuttle diplomacy, contact sport, well-meant, spectator sport, noble, hypercompetitive, intergovernmental, world order, preseason, the international community, international relations, transnational, well-meaning, public-spirited, zero-sum game.
assenting, empathetic, acquiescent, likable, congenial, pleasant, likeable, complaisant, amiable, agreeable, consensual, concordant, compatible, willing, conciliatory, understanding, Capitulating, harmonious, good-natured, co-operative.
cheery, complaisant, bright, sparkling, agreeable, joyful, jolly, jaunty, buoyant, congenial, easygoing, lighthearted, affable, merry, happy, optimistic, pleased, spirited, cheerful, pleasant, genial, amiable, lively, cordial, glad, sunny, warm.
close, chummy, warmhearted, out-there, warmly, affectionate, amiable, intimate, bluff, empathic, nice, companionable, sociable, congenial, like-minded, neighborly, good-humored, attentive, amicable, simpatico, spontaneous, personal, generous, charming, welcoming, clubby.
intimate, companionable (adjective)
beneficial, auspicious, well-disposed, genial, kind, good, faithful, clubby, favorable, comradely, welcoming, affectionate, amiable, affable, sociable, cordial, amicable, kindly, tender, outgoing, thick, propitious, peaceful, peaceable, attentive, Familiar, convivial, buddy-buddy, neighborly, loving, chummy, close, conciliatory, fond, helpful, benign.
amorous, faithful, admiring, intimate, endearing, passionate, loving, cherishing, affectionate, adoring, erotic, devoted, caring, sentimental, desirous, romantic, tender, infatuated, fond, worshipful.
gregarious, gracious, garrulous, cordial, vivacious, chatty, amiable, gabby, amicable, courteous, convivial, folksy, neighborly, affable, congenial, hospitable, approachable, easygoing, sociable, outgoing, companionable, genial, hearty, talkative.
well-disposed to or toward.
chattily, sociably, graciously, hospitably, vivaciously, courteously, garrulously, affably, genially, congenially, convivially, gregariously, amicably, companionably, talkatively, heartily, cordially, amiably.
amiably, cordially, heartily, companionably, amicably, sociably, gregariously, garrulously, congenially, talkatively, genially, hospitably, graciously, vivaciously, chattily, neighborly, convivially, affably, courteously.
Sense 2 (noun)
Sense 3 (noun)
Sense 4 (noun)
Sense 5 (noun)
companionate, amiable, cozy, affable, intimate, cordial, neighbourly, hail-fellow-well-met, well-disposed, neighborly, chummy, matey, genial, social, couthie, palsy-walsy, comradely, pally, couthy, favorable, hail-fellow, informal.