1 (foll. by to + infin.) order not (I forbid you to go).
2 refuse to allow (a thing, or a person to have a thing) (I forbid it; was forbidden any wine).
3 refuse a person entry to (the gardens are forbidden to children).
Phrases and idioms:
forbidden degrees see DEGREE. forbidden fruit something desired or enjoyed all the more because not allowed. God forbid! may it not happen!
Etymology: OE forbeodan (as FOR-, BID)
Useful english dictionary. 2012.