(noun, verb)


1. the linear extent in space from one end to the other; the longest dimension of something that is fixed in place

- the length of the table was 5 feet

Definition categories: attribute, dimension

2. continuance in time

- he complained about the length of time required

Similar word(s): duration

Definition categories: attribute

3. the property of being the extent of something from beginning to end

- the editor limited the length of my article to 500 words

Definition categories: attribute, extent

4. size of the gap between two places

- he determined the length of the shortest line segment joining the two points

Similar word(s): distance

Definition categories: attribute, size

5. a section of something that is long and narrow

- a length of timber

- a length of tubing

Definition categories: man–made, section, segment

Sentences with length as a noun:

- the length of a book

- a length of rope


1. (obsolete) To lengthen.