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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.

“This idea that we can steal … and divert water however we want with no consequences has got to end.”

From Los Angeles Times • May 25, 2026

"The idea that we can control apoB at the RNA level represents a major shift in how we think about cholesterol regulation," Dr. Zhang said.

From Science Daily • May 25, 2026

WSJ: Is it a good idea for people to ask commercial LLMs about the truth of conspiracy theories?

From The Wall Street Journal • May 24, 2026

"We did everything. It was a great time to be working, but none of us had any idea what we were in the middle of," says Gillian.

From BBC • May 24, 2026

But the show hadn’t been Anna May’s idea.

From "The Red Car to Hollywood" by Jennie Liu




Vocabulary lists containing idea


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