English Reference
adjective · noun

definite

adj. · n.
US /ˈdɛfənət/ UK /dˈɛfɪnət/ def·i·nite

  1. 01 B1 Intermediate

    adj.sure and certain, with no doubt at all.

    adj.free from doubt or ambiguity; clearly stated or decided.

    Simple

    We need a definite answer by tomorrow so we can book the flight.

    In context

    The manager provided a definite timeline for the project, leaving no room for the previous ambiguity regarding the launch date.

    Pitfall
    I am definite that he will come. I am certain that he will come.

    While 'definite' means certain, we usually use it to describe plans or answers rather than people's feelings. Use 'certain' or 'sure' for people.

  2. 02 B2 Upper Intermediate Academic

    adj.having clear limits or a fixed shape.

    adj.having distinct or fixed limits; clearly defined in form or scope.

    Simple

    The square has a definite shape with four equal sides.

    In context

    The research study was confined to a definite geographical area to ensure the data remained manageable for the small team.

  3. 03 B1 Intermediate Technical Grammar

    adj.used in grammar to talk about a specific person or thing that we already know about.

    adj.designating a specific, identifiable entity or group; typically used in reference to the 'definite article'.

    Simple

    In the sentence 'I saw the dog', 'the' is the definite article.

    In context

    The use of the definite article implies that the speaker and listener share a common understanding of which specific object is being discussed.

    Usage

    Usually precedes the noun it modifies.

  4. 04 C1 Advanced Informal

    n.something that is certain to happen or is already decided.

    n.a thing that is certain, settled, or beyond question.

    Simple

    Is the party happening on Saturday? Yes, it's a definite.

    In context

    While most of the schedule is still being debated, the keynote speaker is a definite for the opening ceremony.


From Latin dēfīnītus, past participle of dēfīniō, whence also English define.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Latin dēfīnītus
Level B1 · Intermediate
Frequency Frequent
Updated