noun which may take the genitive case particle 'no', noun
longest; maximum length; maximum duration
Used for the greatest length, distance, or span of time among a set. Common in patterns such as 最長の, 世界最長, and 最長で.
Antonyms: 最短
これは世界最長のつり橋です。
This is the world's longest suspension bridge.
審査には最
The review will take up to two weeks.
noun which may take the genitive case particle 'no', noun
oldest; most senior
A rare or dictionary-noted use meaning oldest by age or seniority. In ordinary modern Japanese, 最年長 is usually clearer for this meaning.
Antonyms: 最少
「最長」が「最も年上」という意味で使われる場合もあるが、普通は「最年長」と言う。
最長 is sometimes used to mean 'oldest,' but normally one says 最年長.