helpful /ˈhɛlpfəl/ adjective Learner's definition of HELPFUL
[more helpful; most helpful]
1
: making it easier to do a job, deal with a problem, etc. : giving help给予帮助的;有用的;有益的 2
: willing to help other people乐于助人的
come in helpful
— see come in at 1come
— helpfulness
noun [noncount]