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90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.
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moreThis is the British English definition of national security. View American English definition of national security.
gaslight
to manipulate someone psychologically so that they begin to question their own perceptions and memories
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Dunning-Kruger effect
the phenomenon by which an incompetent person is too incompetent to understand his own incompetence
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