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indefinite

C1
Fairly common

Pronunciation

UK

  • /ɪndˈɛfɪnət/

US

  • /ˌɪnˈdɛfənət/

Meanings

Adjective

  1. not clearly fixed, defined, or exact

  2. lasting for an unknown or unstated length of time

  3. referring to something nonspecific in grammar

More meanings
  1. not giving a single specified value or bound in mathematics

Beyond the definition

Imagine trying to describe a shape that keeps shifting its borders – it's indefinite. Something indefinite lacks clear boundaries, precise limits, or a fixed end point. It is like an open-ended promise, a vague outline in the fog, or a travel plan with no set return date. You might be given an indefinite amount of time to finish a creative project, meaning there is no looming deadline to worry about.

The word stems from the idea of being "not fixed." It suggests that the size, duration, or meaning of something hasn't been strictly decided yet. For instance, a news report might mention an indefinite delay in a train schedule, leaving passengers unsure of when service will resume. Or, you might have an indefinite feeling of unease—a sense that something is wrong, even if you can't quite put your finger on what it is.

Examples

  1. 1

    Scheduling

    The meeting has been postponed for an indefinite period.

  2. 2

    Unclear answer

    His answer was so indefinite that nobody knew what he meant.

  3. 3

    Employment contract

    She was offered an indefinite contract after finishing her trial period.

    • Domainan indefinite contract

      a work contract with no fixed end date

  4. 4

    Sports discipline

    The player was suspended for an indefinite time after the incident.

More examples
  1. 5

    Grammar term

    In English, "a" and "an" are called the indefinite article.

See also

Similar

Shades of meaning

Contrast

Do not confuse

Used with (collocations)

  • an indefinite period
  • indefinite leave
  • indefinite delay
  • indefinite article

Word family

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Forms and spellings

1 form open this card.

Main spelling

  • indefiniteadjective