Definition of forbidden in English:



  • 1Not allowed; banned.

    ‘a list of forbidden books’
    • ‘Nevertheless, there has been no action of forbidden sacrifice as yet.’
    • ‘Fear over the discovery and stealing of the forbidden books is muted.’
    • ‘The guys nick some four-eyed geek's suitcase full of forbidden books - and this is where the title's Balzac reference comes in.’
    • ‘Now I have to buy the books to find out the forbidden secrets that have been hidden from mankind for thousands of years!’
    • ‘But he discovered that the paint allowed him to hide the forbidden thoughts in his mind that his facial expressions would otherwise betray.’
    • ‘Worse, the board kept building on the forbidden land, even after it knew the construction was illegal.’
    • ‘Everyone seemed to understand that there were such things as taboos, criminal facilities and forbidden editing - especially in cinema.’
    • ‘This leads to the optically forbidden state becoming partially allowed.’
    • ‘At nighttimes he would descend into the village and read from the forbidden bible, for his people had already developed books.’
    • ‘In the book you'll also find magic and monsters, angels and demons, magical swords and forbidden books.’
    • ‘Japan was a forbidden country for foreigners and no Japanese was allowed to leave Japan.’
    • ‘It's the sound of forbidden affairs, illicit sex with strangers in bars, drunken confessions, of real life.’
    • ‘The community is forced to shut down the library, because all the books contain the forbidden letter.’
    • ‘The creation was completely illegal - a development in a forbidden area which by rights should be demolished.’
    • ‘The authorities, in the meantime, would determine whether any of the seized books or their authors were on any lists of forbidden publications.’
    • ‘Indeed, this entire area with the Egyptian and Hindu place names in the Grand Canyon is a forbidden zone - no one is allowed into this large area.’
    • ‘Grateful for our help, the king was more than willing to allow us access to the forbidden locales, giving us a royal pass in order to avoid suspicion.’
    • ‘Even understanding the roots of certain forbidden actions does not guarantee that they will be avoided.’
    • ‘Whether it was the forbidden joy of being allowed to paint on a wall, or the exhilaration of letting their inhibitions go, their faces glowed with excitement.’
    • ‘The total anonymity of the Internet allows for the surfacing of forbidden or forgotten zones of the psyche.’
    prohibited, banned, debarred, vetoed, proscribed, ruled out, not allowed, disallowed, taboo, impermissible, not acceptable, unauthorized, unsanctioned
    outlawed, illegal, unlawful, illicit, illegitimate, criminal
    no go, not on, out
    non licet
    View synonyms
    1. 1.1Physics Denoting or involving a transition between two quantum-mechanical states that does not conform to some selection rule, especially for electric dipole radiation.
      • ‘Light within a forbidden range of wavelengths can't propagate through the array, so if a row of cylinders is omitted, the light will be trapped in the missing row.’
      • ‘Surprises emerged when the researchers looked at the crystal's effect on ultrasound frequencies above the forbidden range.’