DictionaryAI

important

adjective
im-POR-tuhnt/ɪmˈpɔɹ.tənt/UKim-PAW-tuhnt/ɪmˈpɔː.tənt/

2 meanings of important

Practice

  1. 1
    matters a lotadjective
    Mattering a great deal, so it should not be ignored or forgotten.

    Like a key you cannot leave behind: you need it to get where you're going.

    Getting enough sleep is important for your health.

    She had an important meeting with her boss this afternoon.

    UsageSay it is important to do something, and important to someone.

    Similarsignificant, major, crucial, key, vital

    Oppositeunimportant, insignificant, minor, trivial

    Note
  2. 2
    adjectivedated
    Acting proud and showing off, as if you matter more than everyone else.

    UsageToday people say self-important or pompous for this.

    Note

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Origin

This word came into Middle English from Medieval Latin. It can be seen as 'import' (to be important) plus '-ant'.

Checked 31 Oct 2026 · 2 facts