add up,
    1. to make the desired, expected, or correct total: These figures don't add up right.
    2. to seem reasonable or consistent; be in harmony or accord: Some aspects of the story didn't add up.

Origin of add

1325–75; Middle English adden < Latin addere, equivalent to ad- ad- + -dere to put (combining form; see do1)
Related formsadd·a·ble, add·i·ble, adjectiveadd·ed·ly, adverbmis·add, verbre·add, verb (used with object)un·add·a·ble, adjectiveun·add·ed, adjectiveun·add·i·ble, adjective
Can be confusedad add oddaddable edibleadds ads adz

Synonyms for add Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for added

Contemporary Examples of added

Historical Examples of added

  • And oh, sir,” added Stephen, “may we crave a drop of water for our dog?

    The Armourer's Prentices

    Charlotte M. Yonge

  • Ye be my guests, ye wot,” he added, “since ye tarried not for meat at Hyde.

    The Armourer's Prentices

    Charlotte M. Yonge

  • “We hoped to receive counsel from our uncle at Hyde,” added Ambrose.

    The Armourer's Prentices

    Charlotte M. Yonge

  • "And gargle all his 'r's,'" added the other, very earnestly.

    The Spenders

    Harry Leon Wilson

  • “Yet mayhap he might do something for thee, friend Ambrose,” added the armourer.

    The Armourer's Prentices

    Charlotte M. Yonge

British Dictionary definitions for added



to combine (two or more numbers or quantities) by addition
(tr foll by to) to increase (a number or quantity) by another number or quantity using addition
(tr often foll by to) to join (something) to something else in order to increase the size, quantity, effect, or scope; unite (with)to add insult to injury
(intr foll by to) to have an extra and increased effect (on)her illness added to his worries
(tr) to say or write further
(tr foll by in) to include


informal an instance of adding someone to one's list of contacts on a social networking site, esp MySpaceThanks for the add!
See also add up

Word Origin for add

C14: from Latin addere, literally: to put to, from ad- to + -dere to put


abbreviation for

attention deficit disorder
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 added

"additional," c.1600, past participle adjective from add (v.).



late 14c., "to join or unite (something to something else)," from Latin addere "add to, join, attach, place upon," from ad- "to" (see ad-) + -dere comb. form meaning "to put, place," from dare "to give" (see date (n.1)). Meaning "to do sums, do addition" also is from late 14c. Related: Added; adding. To add up "make sense" is from 1942.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for added



attention deficit disorder
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for added


Abbreviation of attention deficit disorder
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.