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Definitions

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.

He had revered the British Museum since he was a teenager and was incensed by the idea that a theft was continuing and that it was being perpetrated by a curator.

From The Wall Street Journal • May 21, 2026

A “clean flight” would reinforce the idea that Starship is on track for commercial operations in 2027.

From MarketWatch • May 21, 2026

Scientists proposed this idea, known as inside-out planet formation, about a decade ago, but evidence supporting it has been limited until now.

From Science Daily • May 21, 2026

"The idea is to say, we can do to you what we did to Nicolas Maduro," Christopher Sabatini, senior fellow for Latin America at Chatham House told AFP.

From Barron's • May 21, 2026

He sounds stunned even as the words are coming out of his mouth, unable to grasp the idea that this is over, suddenly, before we expected it to be.

From "The Brightwood Code" by Monica Hesse




Vocabulary lists containing idea


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