prolong

/prəˈlɒŋ/ · pruh-LONGverb

Make a period, process, condition, or event last longer than it otherwise would.

Use prolong to express this relationship precisely: make a period, process, condition, or event last longer than it otherwise would.

What prolong Really Means

The word becomes easier to use when its closely related senses are separated and compared.

1

Core action

Make a period, process, condition, or event last longer than it otherwise would.

Example

Further appeals may prolong the dispute.

2

Common construction

Use this expression in its normal grammatical frame so the relationship between the surrounding ideas remains explicit.

Example

The treatment eased symptoms but prolonged recovery.

3

Reasoning effect

It tells the reader how to interpret the timing, scope, evidence, contrast, condition, or consequence in the statement.

Example

Officials acted quickly to avoid prolonging the closure.

Use prolong Naturally

Notice how the surrounding noun or clause reveals the exact shade of meaning.

Further appeals may prolong the dispute.

The treatment eased symptoms but prolonged recovery.

Officials acted quickly to avoid prolonging the closure.

Precision Matters

Prolong overlaps with several common words, but each carries a different emphasis.

prolong

Means make a period, process, condition, or event last longer than it otherwise would.

vs.
curtail

Means reduce, restrict, or bring something to an earlier end than intended.

prolong

Means make a period, process, condition, or event last longer than it otherwise would.

vs.
cease

Means stop happening or bring an activity, process, or condition to an end.

prolong

Means make a period, process, condition, or event last longer than it otherwise would.

vs.
transitory

Means temporary and lasting for only a brief or limited period.

prolong

Means make a period, process, condition, or event last longer than it otherwise would.

vs.
exacerbate

Means to make a problem, condition, or inequality worse.

Test prolong in Context

The delays make the trial continue longer.

1

Repeated procedural delays could ___ the trial for several additional months.

Prepared byFirst Academy
Editorial responsibilityFirst Academy Academic Team
Updated3 August 2026
Selection and reviewRead our methodology