nonfunctional

Thân thiện

The old radio on the shelf is completely nonfunctional.

Definition

1. Adjective:
   • Not performing or able to perform its regular function: Describes something that is broken, defective, or not working as it should.
   • Not having or performing a function: Describes something that lacks a practical purpose or role; it is decorative or superfluous.

Usage Examples

• Adjective:
  • The fire alarm was found to be nonfunctional during the safety inspection.
  • After the power surge, several ports on the router became nonfunctional.
  • The ornate carving on the pillar is purely decorative and nonfunctional.

Advanced Usage

• In biology or engineering, nonfunctional can describe a part, gene, or component that has lost its original purpose through evolution or design.
  • The appendix is often considered a nonfunctional vestigial organ in humans.
• In software development, nonfunctional requirements refer to system attributes like security or usability, rather than specific behaviors. However, the adjective itself still means "not working."
  • The prototype looked good, but its user interface was completely nonfunctional.

Variants and Related Words

• Malfunctioning (adj, participle): Failing to function normally. Often used interchangeably with for broken items.
  • The malfunctioning elevator caused delays.
• Defunct (adj): No longer existing or functioning. Often used for organizations or systems, not typically for temporarily broken items.
  • The defunct company's website is still online but nonfunctional.
• Decorative (adj): Serving to make something look more attractive; ornamental. A synonym for the "lacking a function" sense.
  • The decorative shutters on the house are nonfunctional.

Synonyms

• Broken
• Inoperative
• Useless (for the "lacking a function" sense)
• Inactive

Antonyms

• Functional
• Operational
• Working
• Useful

Related Phrases

• To render something nonfunctional: To cause something to stop working.
  • The virus rendered the critical software nonfunctional.
• Nonfunctional prototype: A model or early sample built to test a concept, which may not actually work.
  • The first model was a nonfunctional prototype made of clay.

Học thuật

Adjective

1. not performing or able to perform its regular function
   • a malfunctioning valve
2. not having or performing a function

Từ đồng nghĩa

• malfunctioning