Translation guide
The English word 'underline' can be a verb meaning to draw a line under text or to emphasize something, and a noun meaning the line itself. This guide covers natural Japanese equivalents for each use.
To physically draw a line beneath written or printed text, often for emphasis or marking.
The most common and natural way to say 'underline' as a verb. Literally 'draw an underline'.
Please underline the important words.
Uses the loanword 'underline'. Common in educational or casual contexts.
Underline this sentence.
A more general 'draw a line'. Can be used when the context makes it clear it's an underline.
Please draw a line here (under this).
To stress the importance of something, often in speech or writing.
The standard verb for 'emphasize'. Works in most contexts.
He underlined the importance of safety.
To emphasize strongly, often with passion or conviction. Slightly more intense than 強調する.
Literally 'to bring into relief'. Used to highlight a problem or contrast, often in formal writing.
The physical line drawn under text.
When using 'underline' to mean 'emphasize', do not translate literally as 下線を引く unless you are actually drawing a line. Use 強調する or similar verbs instead.
She underlined the need for reform.
This incident underlined the inequality in society.
Loanword, common in casual or educational settings.
Read the part that is underlined.