Originally an apple from the tree of knowledge of good and evil in the Garden of Eden; it is now used to refer to anything that is tempting but dangerous (as sexuality).

Roget 761: prohibition, inhibition; veto, disallowance; interdict, interdiction; injunction, estoppel [Law]; embargo, ban, taboo, proscription; index expurgatorius [Lat.]; restriction etc. (restraint) 751; hindrance etc. 706; forbidden fruit; Maine law [U.S.].    ... show more

Dutch: verboden vrucht
Polish: zakazany owoc