To lengthen something is to make it longer or more extensive. You can lengthen an event by adding more time to it, or you can lengthen a sentence by adding more words.
The film was only 20 minutes long, but the director wanted it to be longer.
The sentence is too short, I need to add more words to make it more like a essay.
noun
the act of prolonging something
Synonyms:
1
Lengthen the sections on the other dynasties.
2
The lingering finish of a wine will lengthen.
3
The northern end of the platform was lengthened in 2000.
4
The other option in changing the workday is to lengthen it.
5
The tower was rebuilt and the span lengthened in course.
6
Sleeping early is believed to help lengthen their height.
7
The goal is to lengthen the time between periods of urination.
8
The shape of the dress helps to lengthen the body's appearance.
9
Above and beyond that is the issues of the quotes, which lengthen the article.
10
After moving the ball into recess, the stroke of the pipe is lengthened.