UNFRIENDLY Scrabble 17 Words With Friends 20 Definition adjective not easy to understand or use. adjective not disposed to friendship or friendliness. adjective not friendly. — synonyms: inimical adjective very unfavorable to life or growth. — synonyms: hostile, uncongenial See all 260 words you can make from UNFRIENDLY → 10-letter words Words starting with U Words ending with Y ← Unscramble different letters