for·bid (fər-bĭd, fôr-)
tr.v. for·bade (-băd, -bād) or for·bad (-băd), for·bid·den (-bĭdn) or for·bid, for·bid·ding, for·bids
1. To command (someone) not to do something: I forbid you to go.
2. To command against the doing or use of (something); prohibit: forbid smoking on trains.
3. To have the effect of preventing; preclude: Discretion forbids a reply.
[Middle English forbidden, forbeden, from Old English forbēodan; see bheudh- in the Appendix of Indo-European roots.]
Synonyms: forbid, ban1, prohibit, proscribe
These verbs mean to refuse to allow: laws that forbid speeding; banned smoking in restaurants; rules that prohibit loitering; proscribed the importation of certain fruits.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.