Longman Dictionary of Contemporary English - forbid

past tense forbade past participle forbidden ~ v 1 to tell someone that they definitely must not do something  (You may not go to the party - I absolutely forbid it! | forbid sb from doing sth)  (Women are forbidden from going out without a veil. | strictly forbid)  (The law strictly forbids racial or sexual discrimination. | forbid sb to do sth)  (He was forbidden to leave the base as a punishment.) 2 God/Heaven forbid spoken used to emphasize that you hope that something will not happen  (Who would run the business if, God forbid, you were to die?) 3 formal to make it impossible for someone to do something  (Lack of space forbids the listing of all those who contributed.)