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insight

American  
[in-sahyt] / ˈɪnˌsaɪt /

noun

  1. an instance of apprehending the true nature of a thing, especially through intuitive understanding.

    an insight into 18th-century life.

  2. penetrating mental vision or discernment; faculty of seeing into inner character or underlying truth.

    Synonyms:
    grasp, understanding, intuition, apprehension, perception
  3. Psychology.

    1. an understanding of relationships that sheds light on or helps solve a problem.

    2. (in psychotherapy) the recognition of sources of emotional difficulty.

    3. an understanding of the motivational forces behind one's actions, thoughts, or behavior; self-knowledge.


insight British  
/ ˈɪnˌsaɪt /

noun

  1. the ability to perceive clearly or deeply; penetration

  2. a penetrating and often sudden understanding, as of a complex situation or problem

  3. psychol

    1. the capacity for understanding one's own or another's mental processes

    2. the immediate understanding of the significance of an event or action

  4. psychiatry the ability to understand one's own problems, sometimes used to distinguish between psychotic and neurotic disorders

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of insight

First recorded in 1150–1200; Middle English; in- 1 ( def. ) + sight ( def. )

Explanation

When you have an insight, you have a feeling or emotion or thought that helps you to know something essential about a person or thing. Insight isn't based on hard facts or evidence. And it doesn't have anything to do with using your senses such as sight or smell. When you gain insight, you are using your intuition, or sixth sense. Insight is formed from the prefix in- plus the English word sight, so this word literally means seeing inward.

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Vocabulary lists containing insight

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.

Find insight on palm oil, gold prices and more in the latest Market Talks covering Basic Materials.

From The Wall Street Journal • May 15, 2026

Find insight on TSMC, Tencent, Alibaba and more in the latest Market Talks covering Technology, Media and Telecom.

From The Wall Street Journal • May 14, 2026

Researchers say the highly detailed earthquake maps produced during the study provide new insight into how those geological changes happen.

From Science Daily • May 14, 2026

Find insight on Roche Holding, AstraZeneca, Merck KGaA and more in the latest Market Talks covering the health care sector.

From The Wall Street Journal • May 14, 2026

She was so excited by her flash of insight that she could hardly keep from clapping her hands.

From "The Hidden Gallery" by Maryrose Wood

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