Synonyms of unfriendly in English:

unfriendly


See US English definition of unfriendly

See UK English definition of unfriendly

See Spanish definition of hostil

adjective

1‘she directed an unfriendly look at Harold’

SYNONYMS
hostile, disagreeable, misanthropic, antagonistic, aggressive
ill-natured, unpleasant, surly, sour, inimical, unamicable, uncongenial
inhospitable, unneighbourly, unwelcoming, unkind, unsympathetic, unaffable
unsociable, unsocial, antisocial
aloof, cold, cool, chilly, frigid, frosty, distant, stand-offish, unapproachable
withdrawn, reserved, unforthcoming, uncommunicative, impersonal, haughty, supercilious, disdainful, indifferent
stiff, stern, severe
ungracious, obnoxious, menacing, nasty
quarrelsome
rude, discourteous, uncivil, impolite, unmannerly, cross
informal starchy
rare Olympian
ANTONYMS

friendly, amiable

2‘Mesopotamia was discovered to be unfriendly terrain for military manoeuvres’

SYNONYMS
unfavourable, disadvantageous, unpropitious, inauspicious, hostile, inimical, uncongenial, negative, alien, damaging, destructive
ANTONYMS

friendly, favourable