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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.

See Examples For:

This connection supports the idea that they originated in the glacier and may have remained associated with Ötzi for thousands of years.

From Science Daily Aug. 7, 2026

If you’re betting on one of the AI stacks — whether it’s Claude, ChatGPT or any other — I have no idea where they are in five years.

From MarketWatch Aug. 7, 2026

When Belgian underwater photographer Stefan Panis discovered a bottle buried in a shipwreck off the coast of Dover in 2025, he had no idea what he had found.

From BBC Aug. 7, 2026

For decades, the Roman professionals in charge of Catholicism’s post-Vatican II efforts to recompose unity with Eastern Orthodoxy have been guided by a strategic idea: the road to Constantinople runs through Moscow.

From The Wall Street Journal Aug. 6, 2026

‘Well, then. Heading east sounds like a good idea.’

From "Wolf Brother" by Michelle Paver

The two sides played nice in the heady days of 2025, when the midterms were far enough off in the distance and everyone was willing to pay lip service to Piker’s more exotic ideas.

From Slate Aug. 7, 2026

Zigzagging between robots, weapons and computers in his garage workshop, Ukrainian engineer Eduard Trotsenko was bubbling with excitement as he showed off his latest prototypes and dreamed of sci-fi-inspired futuristic ideas.

From Barron's Aug. 7, 2026

"I worked under different coaches with different ideas and philosophies."

From BBC Aug. 7, 2026

Shareholders have some ideas on how to close that gap.

From The Wall Street Journal Aug. 4, 2026

Watching him left Penelope with two very different ideas to ponder as she walked up the drive back to the house.

From "The Unseen Guest" by Maryrose Wood




Vocabulary lists containing idea


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