EN

Synonyms for prolong

Most common

lengthen extend draw out continue sustain keep up

Definitions

  1. v. 1

    To extend in space or length.

  2. v. 2

    To lengthen in time; to extend the duration of.

    Complaining prolongs one’s pain.

Related words

Word family
prolongate prolongation prolongment

Forms

Past participle
prolonged
e.g. prolonged → lengthened, extended, continued, increased…

Example sentences

  • continue We have to continue doing this until it gets done.
  • increase It cannot be denied that crime is on the increase.
  • extend I want to extend my stay here for a few more days.
  • lengthen The coat is a bit too short. Can you lengthen it?

Popularity over time

Word1850 → 2019Trend
prolongsteady
continuesteady
increasefalling
extendfalling
lengthensteady
prolongatesteady

Use in printed books, per decade from 1850 to 2019.

By length

4 letters
spin1
5 letters
delay2, defer2
6 letters
extend2
7 letters
produce2, sustain2
8 letters
continue3, increase2, postpone2, lengthen2, elongate3, protract2
10 letters
prolongate
13 letters
procrastinate4

The small number after each word is its number of syllables (delay2 = 2 syllables).

In other languages

Français
prolonger
Español
prolongar