Synonyms of the word 
UNHELPFUL → DISCOURAGING - UNACCOMMODATING - UNCONSTRUCTIVE - UNCOOPERATIVE
unhelpful
- adj. Not providing help or assistance; not helpful.
discouraging
- v. present participle of discourage.
- adj. that causes discouragement.
- n. discouragement.
unaccommodating
- adj. Not accommodating.
unconstructive
- adj. Not constructive; unhelpful.
uncooperative
- adj. Not cooperative.
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