Synonyms of rapidly

rapidly

adverb

as in quickly

with great speed

summer vacation has gone by way too rapidly

Synonyms & Similar Words

• quickly
• swiftly
• fast
• quick
• soon
• promptly
• immediately
• hot
• hastily
• speedily
• briskly
• swift
• apace
• by leaps and bounds
• in short order
• in a hurry
• fleetly
• like a shot
• at full tilt
• double-quick
• like wildfire
• at full throttle
• abruptly
• presto
• like gangbusters
• a mile a minute
• readily
• pronto
• lickety-split
• hell-for-leather
• vigorously
• chop-chop
• posthaste
• recklessly
• snappily
• suddenly
• impulsively
• impetuously
• rashly
• full tilt
• energetically

Antonyms & Near Antonyms

• slowly
• sluggishly
• slow
• deliberately
• lingeringly
• leisurely
• belatedly
• ploddingly
• tardily
• laggardly
• delinquently

Example Sentences

Recent Examples of rapidly

Although revenues have expanded substantially, income needs to continue growing rapidly for Newcastle to sustain a higher salary base and regularly sign the best players. — Chris Weatherspoon, New York Times, 18 July 2026

But a warming planet has increased ocean temperatures and created milder winters — allowing the crabs to multiply rapidly and feast on the clams. — Kasha Patel, CNN Money, 18 July 2026

The catalyst causes hydrogen peroxide to decompose rapidly into water and oxygen gas. — New Atlas, 18 July 2026

Energy efficiency and improved cooling remain important, but efficiency gains can be offset if total demand grows rapidly. — Bridget Shirvell, Hartford Courant, 18 July 2026

Privacy-safe verification technology is improving more rapidly because Australia created a much larger market for it. — Ravi Iyer, Time, 18 July 2026

Doctors told him the cancer had grown rapidly during the delay between his diagnosis and surgery. — Toria Sheffield, PEOPLE, 18 July 2026

Picard had organized a daylong symposium to give fellow mitochondria enthusiasts a chance to discuss the latest findings in their rapidly growing field, from immune cell bioenergetics to time perception. — Rachel Nuwer, Quanta Magazine, 17 July 2026

Cases of stomach illness caused by the cyclospora parasite are rising rapidly in Florida. — Cindy Krischer Goodman, Sun Sentinel, 17 July 2026