from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. To prevent or discourage from acting, as by means of fear or doubt: "Does negotiated disarmament deter war?” ( Edward Teller). See Synonyms at dissuade.
- intransitive v. To prevent or discourage the occurrence of an action, as by means of fear or doubt: "It's this edge that gives nuclear weapons their power to deter” ( Thomas Powers).
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To prevent something from happening.
- v. To persuade someone not to do something; to discourage.
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To prevent by fear; hence, to hinder or prevent from action by fear of consequences, or difficulty, risk, etc.
from The Century Dictionary and Cyclopedia
- To discourage and stop by fear; hence, to stop or prevent from acting or proceeding by any countervailing motive: as, we are often deterred from our duty by trivial difficulties; the state of the road or a cloudy sky may deter a man from undertaking a journey.
- Synonyms To hinder, restrain, keep back.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. turn away from by persuasion
- v. try to prevent; show opposition to
Latin dēterrēre : dē-, de- + terrēre, to frighten.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin dēterreō ("deter, discourage"), from de ("from") + terreō ("I frighten"). (Wiktionary)