helpful
Definitions
Giving or ready to give help; useful.
Providing assistance or serving a beneficial purpose.
Examples
The teacher provided some very helpful feedback on my essay.
It would be helpful if you could arrive at the meeting a few minutes early.
She gave me a helpful tip on how to fix the leaking faucet.
Synonyms
useful beneficial cooperative supportive accommodating advantageous constructive
Antonyms
useless unhelpful hindering obstructive detrimental uncooperative inconvenient