Antonyms of adj unfriendly

4 senses of unfriendly

Sense 1
unfriendly (vs. friendly) -- (not easy to understand or use; "user-unfriendly")

friendly (vs. unfriendly) -- (easy to understand or use; "user-friendly computers"; "a consumer-friendly policy"; "a reader-friendly novel")

Sense 2
unfriendly (vs. friendly) -- (not disposed to friendship or friendliness; "an unfriendly coldness of manner"; "an unfriendly action to take")

friendly (vs. unfriendly) -- (characteristic of or befitting a friend; "friendly advice"; "a friendly neighborhood"; "the only friendly person here"; "a friendly host and hostess")
        => affable, amiable, cordial, genial -- (diffusing warmth and friendliness; "an affable smile"; "an amiable gathering"; "cordial relations"; "a cordial greeting"; "a genial host")
        => chummy, matey, pally, palsy-walsy -- ((used colloquially) having the relationship of friends or pals)
        => companionate -- (like a companion; "companionate marriage"; "a companionate dog")
        => comradely, hail-fellow, hail-fellow-well-met -- (heartily friendly and congenial)
        => couthie, couthy -- ((chiefly Scottish) agreeable and genial)
        => cozy, intimate, informal -- (having or fostering a warm or friendly and informal atmosphere; "had a cozy chat"; "a relaxed informal manner"; "an intimate cocktail lounge"; "the small room was cozy and intimate")
        => neighborly, neighbourly -- (exhibiting the qualities expected in a friendly neighbor)
        => social -- (marked by friendly companionship with others; "a social cup of coffee")

Sense 3
unfriendly, inimical -- (not friendly; "an unfriendly act of aggression"; "an inimical critic")

INDIRECT (VIA hostile) -> amicable -- (characterized by friendship and good will)

Sense 4
hostile, uncongenial, unfriendly -- (very unfavorable to life or growth; "a hostile climate"; "an uncongenial atmosphere"; "an uncongenial soil"; "the unfriendly environment at high altitudes")

INDIRECT (VIA inhospitable) -> hospitable -- (favorable to life and growth; "soil sufficiently hospitable for forest growth"; "a hospitable environment")

Similarity of adj unfriendly

4 senses of unfriendly

Sense 1
unfriendly (vs. friendly) -- (not easy to understand or use; "user-unfriendly")

Sense 2
unfriendly (vs. friendly) -- (not disposed to friendship or friendliness; "an unfriendly coldness of manner"; "an unfriendly action to take")
       => beetle-browed, scowling -- (sullen or unfriendly in appearance)
       => chilly -- (lacking warmth of feeling; "a chilly greeting")
       => uncordial -- (lacking warmth or friendliness; "looked uncordial as we approached")
       => unneighborly, unneighbourly -- (not exhibiting the qualities expected in a friendly neighbor)
          Also See-> cool#4; hostile#1; inhospitable#2; uncongenial#1, incompatible#3; unsociable#1

Sense 3
unfriendly, inimical -- (not friendly; "an unfriendly act of aggression"; "an inimical critic")
       => hostile (vs. amicable) -- (characterized by enmity or ill will; "a hostile nation"; "a hostile remark"; "hostile actions")

Sense 4
hostile, uncongenial, unfriendly -- (very unfavorable to life or growth; "a hostile climate"; "an uncongenial atmosphere"; "an uncongenial soil"; "the unfriendly environment at high altitudes")
       => inhospitable (vs. hospitable) -- (unfavorable to life or growth; "the barren inhospitable desert"; "inhospitable mountain areas")