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indefinite meaning and examples

2025-10-22

Meaning

Indefinite means not clear, fixed, or limited in meaning, time, or amount. It describes something that is uncertain, not specific, or without a clear end.

Grammar and Usage

  • Part of speech: Adjective

  • Used to describe nouns that are vague or not clearly defined.

  • Common structures:

    • an indefinite period/time (not clearly limited)
    • an indefinite answer (not clearly defined or certain)
    • an indefinite number of people (not specific)

Derived forms:

  • indefinitely (adverb): without a fixed limit of time or extent.

Common Phrases

  • for an indefinite period — for an unknown or unlimited time.
  • remain indefinite — to stay uncertain or unclear.
  • an indefinite plan — a plan that is not clearly decided or fixed.

Collocations

  • indefinite period
  • indefinite leave
  • indefinite suspension
  • indefinite number
  • indefinite article (in grammar: a, an)

Examples

  1. The project has been postponed for an indefinite period.
  2. She gave an indefinite answer when asked about her future plans.
  3. The meeting was indefinitely delayed due to technical issues.
  4. He has taken indefinite leave from work for personal reasons.
  5. The term “some” refers to an indefinite quantity.
  6. Our travel date is still indefinite because we’re waiting for visa approval.
  7. The government announced an indefinite suspension of the program.
  8. They decided to live abroad indefinitely.
  • uncertain
  • vague
  • unclear
  • indeterminate
  • unspecified

Antonym

  • definite
  • clear
  • specific
  • fixed