forbidden

[fer-bid-n, fawr-]
See more synonyms for forbidden on Thesaurus.com
adjective
  1. not allowed; prohibited: a forbidden food in his religion.
  2. Physics. involving a change in quantum numbers that is not permitted by the selection rules: forbidden transition.
Related formsfor·bid·den·ly, adverbfor·bid·den·ness, nounpre·for·bid·den, adjectiveself-for·bid·den, adjectiveun·for·bid·den, adjective
Can be confusedforbade forbid forbidden forebode (see synonym study at forbid)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018


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British Dictionary definitions for unforbidden

forbidden

adjective
  1. not permitted by order or law
  2. 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
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