one-line

adjective
UK /ˈwʌn.laɪn/
US /ˈwʌn.laɪn/

Made of just one single line of words.

The teacher asked us to write a one-line answer.


OTHER MEANINGS

2. A short joke or clever remark that is only one sentence long.

He told a funny one-line about the weather.

3. A message that fits on a single line of text.

She sent me a one-line text to say she was late.

4. A computer command written on just one line.

The program ran with a simple one-line command.