Definition

1. Adverb:

   • Continuously, without interruption: "24/7" means something is available, happens, or operates all the time, every day of the week. It is an informal way to say "twenty-four hours a day, seven days a week."

2. Adjective (attributive):

   • Operating or available continuously: Used before a noun to describe a service, business, or activity that never stops.

Usage Examples

• Adverb:

  • The customer support line is open 24/7.
  • He seems to think about his new project 24/7.

• Adjective:

  • It's a 24/7 diner, so we can get coffee anytime.
  • The city has a 24/7 energy and noise.

Advanced Usage

• "around the clock": A more formal synonym for "24/7."

  • The emergency team worked around the clock.

• Used to emphasize constant mental preoccupation or a non-stop lifestyle.

  • Parenting is a 24/7 job.
  • My phone is my 24/7 connection to the world.

Variants and Related Words

• 24/7/365: An extended, emphatic variant meaning every day of the year.

  • This online service is monitored 24/7/365.

• Round-the-clock (adj.): Functioning as an adjective with a similar meaning.

  • They provided round-the-clock surveillance.

Synonyms

• Constantly: Without stopping or interruption.
• Nonstop: Continuing without a pause or break.
• All the time: On every occasion; always.

Related Phrases

• 24-hour: Often used for services available all day and night, but may not explicitly include every day of the week.
  • A 24-hour convenience store.

Related Idioms

• Day and night: Continuously.
  • She worked day and night to finish the report.

Noun

1. uptime is 24 hours a day 7 days a week