Functional

adj. capable, calm professional

What it means

Working effectively and suited to its intended purpose.

Reach for it when describing something that works and serves its intended purpose

The repaired kitchen is simple, safe, and fully functional.

Words to choose between 6

By register, from playful at the top to literary at the bottom. Tap a word to see when it fits.
everyday
warm
professional
formal
  • everyday

    working

    Fits when basic operation is the only claim supported

    Careful Working says nothing about suitability, safety, or ease of use.

  • warm

    practical

    Fits when real use and convenience matter more than appearance

    Careful Practical design may still be broken or unfinished.

  • professional

    fit-for-purpose

    Fits when the item meets a defined intended use

    Careful The phrase requires a named purpose and does not promise excellence.

  • professional

    operational

    Fits when equipment or a service is ready for actual use

    Careful Operational can meet a minimal state while important features remain unavailable.

  • professional

    usable

    Fits when people can complete the intended task

    Careful Usable is a lower bar than effective, accessible, or pleasant.

  • formal

    serviceable

    Fits when condition is adequate for continued use

    Careful Serviceable often sounds like faint praise.

Opposites 4

  • broken
  • nonfunctional
  • impractical
  • decorative-only

Common phrases 3

  • fully functional

    The repaired lift is now fully functional.

  • functional design

    The functional design keeps every control within reach.

  • remain functional

    The radio must remain functional during an outage.

Definitions and examples are written for this site. How words are chosen Recording: Paul2520, American accent, from Wikimedia Commons, CC BY-SA 4.0 Updated