FORBID', verb transitive preterit tense forbad; participle passive forbid forbidden. Literally, to bid or command against. Hence,
1. To prohibit; to interdict; to command to forbear or not to do. The laws of God forbid us to swear. Good manners also forbid us to use profane language. All servile labor and idle amusements on the sabbath are forbidden.
2. To command not to enter; as, I have forbid him my house or presence. This phrase seems to be elliptical; to forbid from entering or approaching.
3. To oppose; to hinder; to obstruct. An impassable river forbids the approach of the army.
A blaze of glory that forbids the sight.
4. To accurse; to blast. obsolete
FORBID', verb intransitive To utter a prohibition; but in the intransitive form, there is always an ellipsis. I would go, but my state of health forbids, that is, forbids me to go, or my going.
FORBID', 'DEN, participle passive
1. Prohibited; as the forbidden fruit.
2. Hindered; obstructed.