noun

profusion

pruh-FYOO-zhun/prəˈfjuːʒn/

A very large amount of something.

The garden bursts with a profusion of flowers each spring.

A modest flower basket nearly hidden beneath an exceptionally abundant mass of fresh blossoms, with flower-laden stems cascading far over both sides.

Etymology

proLatinforth

+fusLatinto pour

+ionLatinaction or process

The underlying image is a pouring forth. The noun first referred to extravagant expenditure or waste, then came to mean abundance: a plentiful amount conceived as something poured out lavishly.

In context

Get.factual17:08

A profusion of delicate apple-scented flowers that descend in a shower of confetti. It's a seemingly extravagant display. Thousands of flowers to produce just a few hundred apples

The Secret Garden - Springtime's Micro-Ecosystems - Full Nature Documentary

More examples

The website offers a bewildering profusion of choices.
She thanks the volunteers with a profusion of praise.
Wild berries grow in profusion along the trail.

Forms

profusion · profusions

profuse adjective — Produced or given in very large amounts.

profusely adverb — In very large amounts or quantities.

Similar words

abundance: Emphasizes an ample supply without necessarily suggesting overwhelming excess.
plenty: More informal; can mean enough rather than a vast amount.
wealth: Suggests abundant valuable or useful resources rather than quantity alone.