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Synonyms

rapidly

American  
[rap-id-lee] / ˈræp ɪd li /

adverb

  1. within a short period of time.

    There are thousands of languages spoken in the world today, but many of them are rapidly approaching obsolescence and extinction.

  2. with great speed; swiftly.

    Bats are more likely than birds to detect rapidly spinning turbine blades and avoid flying into them.


Other Word Forms

Etymology

Origin of rapidly

rapid ( def. ) + -ly

Explanation

When you do something rapidly, you do it very quickly. A rapidly moving train is going at full speed. You may notice that the grass in your yard grows rapidly during the rainy summer days and more slowly when there's a heat wave. You might also get a speeding ticket for driving too rapidly in a school zone. In either case, something's happening fast. The adverb rapidly comes from the adjective rapid, "moving quickly," with the Latin root rapidus, "hasty, swift, fierce, or impetuous."

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Many young people don’t want to toil in factories, which don’t provide the kind of prestige or work environments college graduates seek—and are rapidly replacing workers with robots.

From The Wall Street Journal ● Oct. 13, 2026

In a series that’s rapidly shaping up as a battle of the bullpens, the Dodgers clearly aren’t getting what they paid for.

From Los Angeles Times ● Oct. 13, 2026

Getting here now — typing away while I sniffle with a cold, a life I wouldn’t change for the world — required carefully deflating a rapidly overblown ego.

From Salon ● Oct. 12, 2026

Northern Ireland's leaders have not absorbed the implications of a rapidly ageing society and are continuing to "plan for a population from a previous era" the Commissioner for Older People Siobhan Casey has warned.

From BBC ● Oct. 12, 2026

Anya said, pushing him back toward the front of the rapidly diminishing bubble.

From Anya and the Nightingale by Sofiya Pasternack

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