deter

[ dih-tur ]
/ dɪˈtɜr /

verb (used with object), de·terred, de·ter·ring.

to discourage or restrain from acting or proceeding: The large dog deterred trespassers.
to prevent; check; arrest: timber treated with creosote to deter rot.

Origin of deter

1570–80; < Latin dēterrēre to prevent, hinder, equivalent to dē- de- + terrēre to frighten

Related forms

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for undeterrable

deter

/ (dɪˈtɜː) /

verb -ters, -terring or -terred

(tr) to discourage (from acting) or prevent (from occurring), usually by instilling fear, doubt, or anxiety

Derived Forms

determent, noun

Word Origin for deter

C16: from Latin dēterrēre, from de- + terrēre to frighten
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012