forbidden
Americanverb
adjective
-
not allowed; prohibited.
a forbidden food in his religion.
-
Physics. involving a change in quantum numbers that is not permitted by the selection rules.
forbidden transition.
adjective
-
not permitted by order or law
-
physics involving a change in quantum numbers that is not permitted by certain rules derived from quantum mechanics, esp rules for changes in the electrical dipole moment of the system
Usage
It was formerly considered incorrect to talk of forbidding someone from doing something, but in modern usage either from or to can be used: he was forbidden from entering/to enter the building
Other Word Forms
Etymology
Origin of forbidden
First recorded in 1200–50, for the adjective
Explanation
When something is forbidden, it's not allowed. You were forbidden to use your father's computer but you did it anyway — and that's why you're grounded. You may recognize the phrase "forbidden fruit," which refers to a famous Bible story about Adam and Eve in the Garden of Eden. They ate an apple that God had forbidden them to eat, and there were terrible consequences. "Forbidden fruit" refers to something you want even more than you might otherwise, because you're not allowed to have it. If you know a little German, you may notice that forbidden sounds like its German equivalent, verboten.
Vocabulary lists containing forbidden
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Code Talker
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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 biblical passage recounts how the serpent, typically interpreted as the devil in Christian theology, tempted Eve to sin by eating the forbidden fruit.
From Salon • May 17, 2026
Longet was reportedly forbidden from speaking or writing about the shooting.
From Los Angeles Times • May 15, 2026
But if biological mothers and fathers are constitutionally forbidden from transferring parental rights, then many adoption consents are null and void.
From Slate • May 13, 2026
Under the proposal, crypto companies would be forbidden from offering yields on so-called stablecoins, but could still pay “rewards” when customers perform certain activities on their platforms, which regulators would determine later.
From The Wall Street Journal • May 5, 2026
As punishment, the Soviets wanted Germany to pay high reparations and to be forbidden to rebuild their factories and farms.
From "Hitler Youth: Growing Up in Hitler's Shadow" by Susan Campbell Bartoletti
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
