Definition of forbidden in English:

forbidden

Line breaks: for¦bid|den
Pronunciation: /fəˈbɪd(ə)n
 
/

adjective

  • 2 Physics Denoting or involving a transition between two quantum-mechanical states that does not conform to some selection rule, especially for electric dipole radiation.
    More example sentences
    • Surprises emerged when the researchers looked at the crystal's effect on ultrasound frequencies above the forbidden range.
    • 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.

Phrases

the forbidden degrees

The number of steps of descent from the same ancestor that bar two related people from marrying.
More example sentences
  • The only thing necessary for a legal marriage was the free consent of both parties, as long as they were of age, were not within the forbidden degrees of kinship, and were free of any other marriage.
  • Incest was considered a major crime, and forbidden degrees of kinship were extensively prescribed in the act of 1580.
  • In the act of 1580, forbidden degrees of kinship were extensively prescribed.

forbidden fruit

A thing that is desired all the more because it is not allowed.
[with biblical allusion to Gen. 2:17]
More example sentences
  • Noah is an openly gay male who seems to have it all until he finds himself desiring the forbidden fruit - women.
  • Nostalgia is not a forbidden fruit but astute statesmen never allow prudence to succumb to it.
  • They had an added cachet of being forbidden fruit: the Stalinists did not approve.

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Word of the day coloratura
Pronunciation: ˌkɒlərəˈtjʊərə
noun
elaborate ornamentation of a vocal melody