proliferate

/prəˈlɪfəreɪt/ · pruh-LIF-uh-raytverb

Increase, multiply, reproduce, or spread rapidly in number or amount.

Use proliferate to express this relationship precisely: increase, multiply, reproduce, or spread rapidly in number or amount.

What proliferate Really Means

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

1

Core action

Increase, multiply, reproduce, or spread rapidly in number or amount.

Example

Small publishers proliferated after printing costs fell.

2

Common construction

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

Example

The cells proliferate rapidly under these conditions.

3

Reasoning effect

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

Example

Unverified claims proliferated online.

Use proliferate Naturally

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

Small publishers proliferated after printing costs fell.

The cells proliferate rapidly under these conditions.

Unverified claims proliferated online.

Precision Matters

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

proliferate

Means increase, multiply, reproduce, or spread rapidly in number or amount.

vs.
disseminate

Means spread information, knowledge, or ideas widely among many people or places.

proliferate

Means increase, multiply, reproduce, or spread rapidly in number or amount.

vs.
diminish

Means become or make something smaller, weaker, less important, or less intense.

proliferate

Means increase, multiply, reproduce, or spread rapidly in number or amount.

vs.
curtail

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

proliferate

Means increase, multiply, reproduce, or spread rapidly in number or amount.

vs.
deplete

Means to reduce the amount or supply of something, often substantially.

Test proliferate in Context

Their population increased and spread rapidly.

1

Once predators disappeared, the invasive insects began to ___ throughout the valley.

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