help‧ful S2 W3
providing useful help in making a situation better or easier:
Thank you for your advice; it's been very helpful.
it is helpful (for somebody) to do something
It is helpful to discuss your problems with your friends.
It is helpful for family members to gain a basic understanding of the illness.
It is helpful if we address a few key questions here.
helpful in doing something
We hope this leaflet has been helpful in answering your questions.
helpful advice/hints/suggestions etc
Our sales staff are there to give you helpful advice.
always willing to help people:
She's a helpful child.
I'm only trying to be helpful.
—helpfulness noun [uncountable]