prolong

/prəˈlɔŋ/

extend in time

The meeting was prolonged by an hour due to unexpected discussions.

The meeting lasted an extra hour because of unplanned talks.

formal

To extend the duration of something beyond its usual or expected limit.

The doctor prescribed medication to prolong the patient's life.

The doctor gave medicine to help the patient live longer.

The treaty was signed to prolong peace between the nations.

The agreement was made to extend the period of peace.

Often used in medical, legal, or formal contexts to describe extending time.

Collocations

prolong the agonyto make an unpleasant situation last longerprolong the sufferingto extend pain or hardshipprolonged exposureextended contact or experience

In everyday speech, prefer 'extend' or 'make longer' unless writing formally. 'Prolong' sounds more technical or literary.

'Prolong' always implies extending time or duration, not physical length or size.

Use 'prolong' in formal writing (e.g., academic, legal, medical). For casual speech, choose simpler words like 'drag out'.

From Latin *prolongare* (to extend), combining *pro-* (forward) and *longus* (long). Entered English in the 15th century via Old French *prolonger*.

Avoid using 'prolong' for physical extension (e.g., 'prolong a rope'). It is primarily used for time-related contexts.

pro-

forward, in favor of

prefix

-long

long

root

English Dictionary