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idea

[ahy-dee-uh, ahy-deeuh] / aɪˈdi ə, aɪˈdiə /


Usage

What are other ways to say idea? The noun idea, although it may refer to thoughts of any degree of seriousness or triviality, is commonly used for mental concepts considered more important or elaborate: We pondered the idea of the fourth dimension. The idea of his arrival frightened me. Thought, which reflects its primary emphasis on the mental process, may denote any concept except the more weighty and elaborate ones: I welcomed his thoughts on the subject. A thought came to him. Conception suggests a thought that seems complete, individual, recent, or somewhat intricate: The architect's conception delighted them. Notion suggests a fleeting, vague, or imperfect thought: a bare notion of how to proceed.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A long-standing idea in neuroscience holds that the brain acts as a centralized controller that decides which actions an animal will perform.

From Science Daily • Jun. 10, 2026

"I overcame my inhibitions about asking strangers if they needed my help, and I realised that people liked me for who I was, that they had no idea that I was an ex-footballer."

From BBC • Jun. 10, 2026

During the heyday of the Estadio Azteca, the idea was for Mexico to beat their rivals before they ever kicked off.

From The Wall Street Journal • Jun. 10, 2026

That festival idea formally and informally has been a thread throughout Dudamel’s 17 L.A.

From Los Angeles Times • Jun. 9, 2026

“Seems like a good idea to freshen things up. Everything around this town is growing and spreading, especially with all the moving-picture business.”

From "The Red Car to Hollywood" by Jennie Liu




Vocabulary lists containing idea


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