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merriam-webster.com
https://www.merriam-webster.com/dictionary/insane
INSANE Definition & Meaning - Merriam-Webster
The meaning of INSANE is exhibiting a severely disordered state of mind. How to use insane in a sentence.
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cambridge.org
https://dictionary.cambridge.org/dictionary/englis…
INSANE | English meaning - Cambridge Dictionary
INSANE definition: 1. very annoyed, angry, upset, or excited, often so that you cannot think or behave normally: 2…. Learn more.
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dictionary.com
https://www.dictionary.com/browse/insane
INSANE Definition & Meaning | Dictionary.com
INSANE definition: (not in technical use as a medical diagnosis) not sane; not of sound mind; mentally deranged. See examples of insane used in a sentence.
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collinsdictionary.com
https://www.collinsdictionary.com/us/dictionary/en…
INSANE definition in American English | Collins English Dictionary
If you describe a decision or action as insane, you think it is very foolish or excessive.
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thefreedictionary.com
https://www.thefreedictionary.com/insane
Insane - definition of insane by The Free Dictionary
Define insane. insane synonyms, insane pronunciation, insane translation, English dictionary definition of insane. afflicted with mental derangement, having a disordered mind, mad: Her bizarre threats were the result of an insane jealousy.
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oed.com
https://www.oed.com/dictionary/insane_adj
insane, adj. & n. meanings, etymology and more | Oxford English Dictionary
insane, adj. & n. meanings, etymology, pronunciation and more in the Oxford English Dictionary
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wordreference.com
https://www.wordreference.com/definition/insane
insane - WordReference.com Dictionary of English
WordReference Random House Unabridged Dictionary of American English © 2025 in•sane (in sān′), adj. not sane; not of sound mind; mentally deranged. of, pertaining to, or characteristic of a person who is mentally deranged: insane actions; an insane asylum. utterly senseless: an insane plan.
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wiktionary.org
https://en.wiktionary.org/wiki/insane
insane - Wiktionary, the free dictionary
(slang) Extremely good; incredibly amazing. quotations That guy is insane at FPS games.
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ldoceonline.com
https://www.ldoceonline.com/dictionary/insane
insane | meaning of insane in Longman Dictionary of Contemporary ...
insane meaning, definition, what is insane: completely stupid or crazy, often in a w...: Learn more.
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betterwordsonline.com
https://www.betterwordsonline.com/dictionary/insan…
Insane - Definition, Meaning, Synonyms & Etymology
The term "insane" emphasizes the presence of abnormality or madness, highlighting a departure from the ordinary and introducing an element of chaos, instability, or unpredictability.