twenty-four

American  

[twen-tee-fawr, -fohr, twuhn-] / ˈtwɛn tiˈfɔr, -ˈfoʊr, ˈtwʌn- /

noun

1. a cardinal number, 20 plus 4.

2. a symbol for this number, as 24 or XXIV.

3. a set of this many persons or things.

---

adjective

1. amounting to 24 in number.

Example Sentences

Bitcoin briefly topped $70,000 over the weekend but is now down 2.5% to $68,750 in the past twenty-four hours.

From Barron's • Feb. 16, 2026

Within twenty-four hours a sensational leak from inside Jenrick's own Commons office would lead to him being thrown out of the party he joined as a teenager.

From BBC • Jan. 15, 2026

“In the last twenty-four hours, my phone has become next to useless as I’ve received so many incoming messages and calls. It’s crazy,” he told MarketWatch in an interview.

From MarketWatch • Jan. 8, 2026

Around three of its sides sit twenty-four audience members.

From New York Times • Aug. 10, 2023

The mountain was still in major lockdown since we didn’t know who we could trust, and the professors had set up a schedule to patrol the corridors twenty-four hours a day.

From "Glitch" by Laura Martin