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idea

UK/ai'diә/US
NGSL 1kIELTSA1

Definitions

n.

A thought, notion, or mental picture formed in the mind.

想法,念头,主意。

n.

An opinion, belief, or understanding about something.

看法,观念,理解。

n.

A plan or intention for what to do.

打算,计划,意图。

Root Breakdown

Root-derived
ideanotion, form, pattern, mental image
=idea

From Greek idéa ('form, look'), which itself came from ideîn ('to see'). An idea is literally something you 'see' with the mind — a thought or mental image. The word slid from Plato's perfect eternal Forms all the way down to the everyday flash of a thought.

Root idea still carries 3 more words

Why It Means This

It's easy to forget that 'idea' is built on seeing. The Greek ideîn meant 'to see,' so an idea was first a mental sight — a form you look at inside your head. That hidden picture explains the way we still talk: an idea 'comes into view,' something 'gives you an idea,' a vague plan starts to 'take shape.' The thought is treated like something you can almost look at.

Common Collocations

  • 1.good idea好主意
  • 2.bright idea绝妙的想法
  • 3.original idea原创想法
  • 4.have no idea毫无头绪
  • 5.come up with an idea想出一个主意
  • 6.the whole idea整个构想

Example Sentences

  • 1.

    I have a great idea for the weekend.

  • 2.

    She has some interesting ideas about how to fix this.

  • 3.

    I have no idea what he's talking about.

  • 4.

    The whole idea is to save time and money.

Easily Confused

idea vs ideal — One letter apart but very different. idea (n.) is a thought you have (a good idea). ideal can be an adjective ('the ideal choice,' perfect) or a noun (a high standard you aim for). 'A nice idea' = a nice thought; 'a nice ideal' = a worthy goal.

Synonym Comparison

- idea — the broadest word for any thought or notion

- concept — a more abstract, worked-out idea (the concept of justice)

- notion — a vague or slight idea, often half-formed

- thought — the raw act or product of thinking, very general

- plan — an idea organized into concrete steps

Word Forms

Noun

Pluralideas

Derivatives

idealideologyideally
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