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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.

But our new findings, published in the American Journal of Biological Anthropology, challenge this long-held idea about human evolution.

From Science Daily • Jun. 8, 2026

“The idea was that this would be a quality facility, a great park that we hope will rival San Diego’s Balboa Park and other great parks across the country,” Irvine mayor Larry Agran said.

From Los Angeles Times • Jun. 8, 2026

The idea is that when sterile flies are released into targeted areas, they wold mate with wild screwworm flies and prevent them from reproducing.

From Barron's • Jun. 8, 2026

Investors are cheering the idea that Intel could serve as a backup chip manufacturer for Nvidia and Google.

From The Wall Street Journal • Jun. 8, 2026

We were so preoccupied, I think, by the ordinary things in life, that after a while I did not give much thought to Mutti’s mysterious idea.

From "An Elephant in the Garden" by Michael Morpurgo




Vocabulary lists containing idea


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