1) Awkward 2) Caustic 3) Contrary 4) Critical 5) Difficult 6) Discouraging 7) Disobliging 8) Disparaging 9) Harsh 10) Negative 11) Obstinate 12) Perverse 13) Providing no assistance 14) Stubborn 15) Unaccommodating 16) Unconstructive 17) Uncooperative 18) Useless 19) Vicious 1) Discouraging 2) Disruptive 3) Gruff 4) Of no use 5) Unconstructive 6) Uncooperative 7) Unenthusiastic 8) Unfavourable 
[adj] - providing no assistance 2. [adj] - showing no willingness to cooperate
adjective providing no assistance