必要
hitsuyouadjectivenoun★Beginner
formalinformal
necessary; required
この書類は必要ですか？
Is this document necessary?
必要なものを買ってきてください。
Please buy the necessary items.
💡
Can function as a noun (必要) or adjective (必要な)
Collocations
必要があるto be necessary必要条件necessary condition必要な措置necessary measures
Synonyms
Antonyms
Related Phrases
必要以上にphrase
more than necessary
💡Pro Tip
Adjective vs. Noun Usage
Add 'な' when using as an adjective (必要な資料), but omit it when used as a noun (この資料は必要です)
⚡Gold Rule
Formal Contexts
In business or formal writing, '必要' is often used to indicate required documents or procedures
📖Word Origin
From Middle Chinese '必要' (bit-yew), meaning 'necessary'
📝Usage Notes
Often used in formal contexts and business communication. Can be used as a standalone noun or as an adjective with 'な'
Word Breakdown
必
must, necessarily
root要
important, essential
root和英辞典