Is it ensure, insure, or assure?


[th ee] /ði/
the objective case of thou:
With this ring, I thee wed. I shall bring thee a mighty army.
thou (now used chiefly by the Friends).
before 900; Middle English; Old English thē (orig. dative; later dative and accusative); cognate with Low German di, German dir, Old Norse thēr. See thou


[th ou] /ðaʊ/
pronoun, sing., nom. thou; possessive thy or thine; objective thee; pl., nom. you or ye; possessive your or yours; objective you or ye.
Archaic (except in some elevated or ecclesiastical prose) the personal pronoun of the second person singular in the nominative case (used to denote the person or thing addressed):
Thou shalt not kill.
(used by the Friends) a familiar form of address of the second person singular.
verb (used with object)
to address as “thou.”.
verb (used without object)
to use “thou” in discourse.
before 900; Middle English; Old English thū; cognate with German, Middle Dutch du, Old Norse thū, Gothic thu, Old Irish tú, Welsh, Cornish ti, Latin tū, Doric Greek tý, Lithuanian tù, OCS ty; akin to Sanskrit tvam; (v.) late Middle English thowen, derivative of the pronoun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for thee
  • Get thee to a financial consultant or two and develop a retirement plan.
  • Good night, sweet prince, and flights of angels sing thee to thy rest.
  • Get thee to thy interviewing department's web site and see if there are pictures of faculty on it.
  • Otherwise, get thee to the library during your on campus visit.
  • Please share thee links with others who might be interested.
  • It takes some real effort to recognize thee reactions and subject them to more rational thought rather than reacting to them.
  • Hear my prayer, o lord, and let my cry come unto thee.
  • It tolls for thee, higher education, and it is being rung by those folks paying a lot of your bills.
  • Turn thee, turn thee on thy pillow: get thee to thy rest again.
  • Oddly enough, these thee nearest brown dwarfs are all companions to other stars rather than individual ones.
British Dictionary definitions for thee


the objective form of thou1
(subjective) (rare) refers to the person addressed: used mainly by members of the Society of Friends
Word Origin
Old English thē; see thou1


pronoun (subjective)
(archaic, dialect) refers to the person addressed: used mainly in familiar address or to a younger person or inferior
(usually capital) refers to God when addressed in prayer, etc
Word Origin
Old English thū; related to Old Saxon thū, Old High German du, Old Norse thū, Latin tū, Doric Greek tu


noun (pl) thous, thou
one thousandth of an inch. 1 thou is equal to 0.0254 millimetre
(informal) short for thousand
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 thee

Old English þe (accusative and dative singular of þu "thou"), from Proto-Germanic *theke (cf. Old Frisian thi, Middle Dutch di, Old High German dih, German dich, Old Norse þik, Norwegian deg, Gothic þuk), from PIE *tege-. A brief history of the second person pronoun in English can be found here. The verb meaning "to use the pronoun 'thee' to someone" is recorded from 1662, from the rise of Quakerism (see thou).

This was the Bottom upon which the Quakers first set up, to run down all worldly Honour ...; to Thee and Thou; to call no Man Master, or Lord, and not to take off their Hats, or Bow to any. [Charles Leslie, "The Snake in the Grass," 1696]



2nd nominative singular personal pronoun, Old English þu, from Proto-Germanic *thu (cf. Old Frisian thu, Middle Dutch and Middle Low German du, Old High German and German du, Old Norse þu, Gothic þu), from PIE *tu-, second person singular pronoun (cf. Latin tu, Irish tu, Welsh ti, Greek su, Lithuanian tu, Old Church Slavonic ty, Sanskrit twa-m).

Superseded in Middle English by plural form you (from a different root), but retained in certain dialects (e.g. Philadelphia Quakers). The plural at first was used in addressing superior individuals, later also (to err on the side of propriety) strangers, and ultimately all equals. By c.1450 the use of thou to address inferiors gave it a tinge of insult unless addressed by parents to children, or intimates to one another. Hence the verb meaning "to use 'thou' to a person" (mid-15c.).

Avaunt, caitiff, dost thou thou me! I am come of good kin, I tell thee! ["Hickscorner," c.1530]
A brief history of the second person pronoun in English can be found here.

Online Etymology Dictionary, © 2010 Douglas Harper
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Slang definitions & phrases for thee

this is it


The final crisis is here; the unavoidable has come; prepare for the worst: He held her hand fast and said ''This is it, kid'' (1942+)

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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Related Abbreviations for thee


The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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