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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.

The idea: Say you and I are talking.

From Los Angeles Times • Jun. 1, 2026

The idea of AI PCs isn’t new, nor is Arm’s involvement in AI PC chips.

From MarketWatch • Jun. 1, 2026

Biffa, the UK's largest waste company, has put forward the figure of £5, but that would be subject to consultation if the idea progresses.

From BBC • Jun. 1, 2026

What’s clear is that the gap between idea and product has narrowed, and that changes the internal economics of firms.

From The Wall Street Journal • May 31, 2026

The room tilts as my brain tries to piece together the preposterous idea she’s proposing.

From "Red Flags and Butterflies" by Sheryl Azzam




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