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[reg-yuh-leyt] /ˈrɛg yəˌleɪt/
verb (used with object), regulated, regulating.
to control or direct by a rule, principle, method, etc.:
to regulate household expenses.
to adjust to some standard or requirement, as amount, degree, etc.:
to regulate the temperature.
to adjust so as to ensure accuracy of operation:
to regulate a watch.
to put in good order:
to regulate the digestion.
Origin of regulate
1620-30; < Late Latin rēgulātus (past participle of rēgulāre). See regula, -ate1
Related forms
[reg-yuh-ley-tiv, -yuh-luh-tiv] /ˈrɛg yəˌleɪ tɪv, -yə lə tɪv/ (Show IPA),
[reg-yuh-luh-tawr-ee, -tohr-ee] /ˈrɛg yə ləˌtɔr i, -ˌtoʊr i/ (Show IPA),
regulatively, adverb
antiregulatory, adjective
misregulate, verb (used with object), misregulated, misregulating.
nonregulated, adjective
nonregulative, adjective
nonregulatory, adjective
overregulate, verb, overregulated, overregulating.
preregulate, verb (used with object), preregulated, preregulating.
quasi-regulated, adjective
reregulate, verb (used with object), reregulated, reregulating.
unregulated, adjective
unregulative, adjective
unregulatory, adjective
well-regulated, adjective
1. rule, govern, manage, order, adjust, arrange, dispose, conduct. 2. set. 4. systematize. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for unregulated
Contemporary Examples
Historical Examples
  • Free shooting, unregulated and unlimited, means with modern weapons instant extermination—a matter of a few years.

    Unexplored Spain Abel Chapman
  • And I'd like to know what you mean, ma'am, by unregulated marriage.

    What Not Rose Macaulay
  • The first consideration is that frequent and unregulated abuse does cause physical harm.

  • Half-dazed with unregulated emotion, Jethro acted with indecision for a moment, and the fiddle was safe.

  • But this unregulated use of the Communal property could not long continue.

    Russia Donald Mackenzie Wallace
British Dictionary definitions for unregulated


not regulated; uncontrolled


verb (transitive)
to adjust (the amount of heat, sound, etc, of something) as required; control
to adjust (an instrument or appliance) so that it operates correctly
to bring into conformity with a rule, principle, or usage
Derived Forms
regulative, regulatory, adjective
regulatively, adverb
Word Origin
C17: from Late Latin rēgulāre to control, from Latin rēgula a ruler
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
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Word Origin and History for unregulated



early 15c., "adjust by rule, control," from Late Latin regulatus, past participle of regulare "to control by rule, direct," from Latin regula "rule" (see regular). Meaning "to govern by restriction" is from 1620s. Related: Regulated; regulating.

Online Etymology Dictionary, © 2010 Douglas Harper
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unregulated in Medicine

regulate reg·u·late (rěg'yə-lāt')
v. reg·u·lat·ed, reg·u·lat·ing, reg·u·lates

  1. To control or direct according to rule, principle, or law.

  2. To adjust to a particular specification or requirement.

  3. To adjust a mechanism for accurate and proper functioning.

  4. To put or maintain in order.

reg'u·la'tive or reg'u·la·to'ry (-lə-tôr'ē) adj.
reg'u·la'tor n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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