← Dictionary

prolong

/prəˈlɒŋɡ/
IELTSAcademic
verb

To make something last longer in time.

  • The argument prolonged the discussion for hours.
  • The medication prolonged his life.

Adinary Nuance

Distinguish prolong from extend. Use prolong for time or life, not physical length; extend works for space and time. Choose prolong when focusing on delaying an end.

In other languages

Spanish
Prolongar
Japanese
延ばす
Korean
연장하다
Vietnamese
Dãn dài
Chinese
延长

Etymology

From Old French *prolongier*, from Latin *prolongare* ‘lengthen,’ showing the idea of lengthening time.

Common phrases

prolong the debateprolong the meetingprolong the warrantyprolong suffering

Synonyms

Related words

Frequently asked questions

What is the difference between *prolong* and *extend*?
Is *prolong* formal or informal?
How do I use *prolong* in a sentence?
Can *prolong* describe life or pain?