Level 5 · word 5,988 of 20,000

instrumental

/ˌɪnstrəˈmentəl/ American
  • adj. 起重要作用的, 有帮助的
Definition
  • adj. very helpful in making something happen
Example
Her advice was instrumental in helping him find a new job.
她的建议对他找到新工作起了关键作用。