役立つ
yaku-tatsuverb★Intermediate
general
To be useful or helpful in a practical way
この本は勉強に役立つ
This book is useful for studying
このスキルは将来役立つだろう
This skill will be useful in the future
💡
Often used to describe tools, skills, or information that provide practical benefits
Collocations
仕事に役立つuseful for work勉強に役立つuseful for studying将来役立つuseful in the future
Synonyms
Antonyms
Related Phrases
役に立たないphrase
not useful
役立つ情報phrase
useful information
💡Pro Tip
Common Usage
This verb is often used to describe the practical value of something, such as tools, skills, or information.
⚡Gold Rule
Grammar
The verb is intransitive and is often followed by に (ni) to specify the context in which something is useful.
📖Word Origin
From 役 (yaku, 'role' or 'function') + 立つ (tatsu, 'to stand' or 'to be effective')
📝Usage Notes
Can be used in both formal and informal contexts. Often followed by に (ni) to specify the context in which something is useful.
Word Breakdown
役
role or function
root立つ
to stand or to be effective
root和英辞典