helpful
adjective
ˈhelpfl 
ˈhelpfl 
1 able to improve a particular situationSynonym
usefulhelpful advice/information/suggestionsSorry I can't be more helpful.helpful (for somebody) (to do something) It would be helpful for me to see the damage for myself.You may find it helpful to read this before making any decisions.helpful in doing something Role-play is helpful in developing communication skills.helpful to somebody The booklet should be very helpful to parents of disabled children.2 (of a person) willing to help somebodyI called the police but they weren't very helpful.The staff couldn't have been more helpful.She's one of the most helpful people I know.Opposite
unhelpfulhelpfully ˈhelpfəli ˈhelpfəli ˈhelpflnəs ˈhelpflnəs 