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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.

No one forced him to sign-up, he said, but the idea was constantly present.

From Barron's • Jun. 11, 2026

The idea is not to make teams play with 10 men, but to make it such a clear deterrent that players do not waste time on substitutions.

From BBC • Jun. 10, 2026

But Beck had the crazy idea of creating a small rocket that would make frequent and cheap trips to space.

From MarketWatch • Jun. 10, 2026

According to this idea, these materials were especially important during the earliest stages of life's development, helping generate the first biologically relevant molecules from nonliving substances.

From Science Daily • Jun. 10, 2026

It was Karli’s idea, for instance, that two of the choir schoolchildren should take it in turns to ride up with him on Marlene, one in front of him, one behind.

From "An Elephant in the Garden" by Michael Morpurgo




Vocabulary lists containing idea


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