最長(さいちょう)

さいちょう
noun, no-adjective
longest, maximum (in length or duration)
quantity
1. longest, maximum length or duration
The superlative of long — the greatest in length, distance, or duration among a group. Used for physical length, time periods, and records.
最長(さいちょう)記録(きろく)を達成(たっせい)した。
He achieved the longest record.
この橋(はし)は日本(にほん)で最長(さいちょう)だ。
This bridge is the longest in Japan.
貸出(かしだし)期間(きかん)は最長(さいちょう)で二(に)週間(しゅうかん)ですが、延長(えんちょう)も可能(かのう)です。
The lending period is a maximum of two weeks, but extensions are also possible.

Usage

最長(さいちょう) functions as a noun or の-adjective. It applies to both physical length and time duration.

  • Physical: 最長(さいちょう)の川(かわ) (longest river), 最長(さいちょう)の橋(はし) (longest bridge)
  • Duration: 最長(さいちょう)で〜 (at a maximum of ~), 最長(さいちょう)記録(きろく) (longest-duration record)

When followed by で, it means "at a maximum" in terms of time or length.

Common collocations

Related Words

Antonym: 最短(さいたん)
general
Added 2026.2.23 19:40 · Revised 2026.9.2 13:01
13000/13076_saichou