adj. 25B6; adjective UNHELPFUL, uncooperative, awkward, difficult, unaccommodating, disobliging, perverse, contrary; Brit. informal bloody-minded, bolshie; N. Amer. informal balky.
helpful.
OBSTRUCTIVE
Meaning of OBSTRUCTIVE in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012