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too

[too]
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adverb
  1. in addition; also; furthermore; moreover: young, clever, and rich too.
  2. to an excessive extent or degree; beyond what is desirable, fitting, or right: too sick to travel.
  3. more, as specified, than should be: too near the fire.
  4. (used as an affirmative to contradict a negative statement): I am too!
  5. extremely; very: She wasn't too pleased with his behavior.
Idioms
  1. only too. only(def 10).

Origin of too

before 900; Middle English to, Old English, stressed variant of to (adv.); spelling too since the 16th century
Can be confusedto too two
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for too

too

adverb
  1. as well; in addition; alsocan I come too?
  2. in or to an excessive degree; more than a fitting or desirable amountI have too many things to do
  3. extremelyyou're too kind
  4. US and Canadian informal indeed: used to reinforce a commandyou will too do it!
  5. too right! British, Australian and NZ certainly; indeed

Word Origin

Old English tō; related to Old Frisian, Old Saxon to, Old High German zou; see to 1

xref

See very
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

Word Origin and History for too

adv.

"in addition, in excess," late Old English, stressed variant of Old English prep. to "in the direction of, furthermore" (see to). The spelling with -oo is first recorded 1590. Use after a verb, for emphasis (e.g. did, too!) is attested from 1914. German zu unites the senses of English to and too. Slang too-too "excessive in social elegance" first recorded 1881. Too much "excellent" first recorded 1937 in jazz slang.

Online Etymology Dictionary, © 2010 Douglas Harper

Idioms and Phrases with too

too

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.