Add Definition

ăd
added, adding, adds
verb
added, adding, adds
To join or combine (numbers) through addition.
If you add 5 and 10 and 17, the result is 32. If you add 6 to 8, you get 14.
American Heritage
To join or unite (something) to something else so as to increase the quantity, number, size, etc. or change the total effect.
To add a wing to the building, to add seasoning to the sauce.
Webster's New World
To cause an increase; be an addition (to)
This adds to my pleasure.
Webster's New World
To join or unite so as to increase in size, quantity, quality, or scope.
Added 12 inches to the deck; flowers that added beauty to the dinner table.
American Heritage
To state further.
Webster's New World
Synonyms:
abbreviation
Let there be added; add.
Webster's New World
American Dialect Dictionary.
Webster's New World
Attention deficit (hyperactivity) disorder.
Webster's New World
Attention deficit disorder.
American Heritage Medicine
noun

(video games) An additional enemy that joined the fight after the primary target.

After engaging the boss for one minute, two adds will arrive from the back and must be dealt with.
Wiktionary
(computer science) An act or instance of adding.
Wiktionary

(law) Abbreviation of addendum.

Wiktionary
idiom
add up to
  • To constitute; amount to:

    The revisions added up to a lot of work.

American Heritage
add up
  • to calculate the total of
  • to equal the expected sum

    these figures don't add up

Webster's New World
add up to
  • to reach a total of
  • to mean; signify
Webster's New World

Other Word Forms of Add

Noun

Singular:
add
Plural:
adds

Idioms, Phrasal Verbs Related to Add

Origin of Add

  • Middle English adden from Latin addere ad- ad- dare to give dō- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • Latin addere, from ad + dare (“to give, put”). Compare date, do.

    From Wiktionary

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