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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.

The unpleasant market metaphor refers to the idea that even a lifeless feline when dropped from a height may initially ricochet off the ground.

From MarketWatch • Jun. 9, 2026

Kenya has never recorded a case of Ebola and many oppose the idea of bringing potential carriers of the highly contagious disease into the country.

From Barron's • Jun. 9, 2026

He described knocking the property's door aggressively, with the owner answering, and having no idea of what was happening on her roof.

From BBC • Jun. 9, 2026

The idea has been around since before the discovery of Pluto in the 1930s.

From Science Daily • Jun. 9, 2026

“This theme was her idea and then she can’t even be bothered to show up!”

From "The Red Car to Hollywood" by Jennie Liu




Vocabulary lists containing idea


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