Main entry: unfriendly
Definition: not disposed to friendship or friendliness
Usage: an unfriendly coldness of manner; an unfriendly action to take
Antonyms: friendly
Definition: characteristic of or befitting a friend
Main entry: unfriendly
Definition: not easy to understand or use
Usage: user-unfriendly
Antonyms: friendly
Definition: easy to understand or use
Main entry: unfriendly, inimical
Definition: not friendly
Usage: an unfriendly act of aggression; an inimical critic
Antonyms: friendly
Definition: troops belonging to or allied with your own military forces
Antonyms: friendly
Definition: of or belonging to your own country's forces or those of an ally
Antonyms: amicable
Definition: characterized by friendship and good will
Main entry: hostile, uncongenial, unfriendly
Definition: very unfavorable to life or growth
Usage: a hostile climate; an uncongenial atmosphere; an uncongenial soil; the unfriendly environment at high altitudes
Antonyms: hospitable
Definition: favorable to life and growth
Antonyms: hospitable
Definition: disposed to treat guests and strangers with cordiality and generosity