add

¹

[ ad ]

verb (used with object)

1. to unite or join so as to increase the number, quantity, size, or importance:

   to add two cups of sugar; to add a postscript to her letter;

   to add insult to injury.

   Synonyms: adjoin, attach, append, affix

2. to find the sum of (often followed by up ):

   Add this column of figures.

   Add up the grocery bills.

   Synonyms: sum, total

3. to say or write further.
4. to include (usually followed by in ):

   Don't forget to add in the tip.

verb (used without object)

1. to perform the arithmetic operation of addition:

   children learning to add and subtract.

2. to be or serve as an addition (usually followed by to ):

   His illness added to the family's troubles.

noun

1. Journalism. copy added to a completed story.

verb phrase

1. to signify; indicate:

   The evidence adds up to a case of murder.

ADD

²

[ ey-dee-dee ]

abbreviation for

1. attention deficit disorder: the inattentive subtype of ADHD, usually marked by distractibility and difficulties with executive function.

add

¹

/ æd /

verb

1. to combine (two or more numbers or quantities) by addition
2. trfoll byto to increase (a number or quantity) by another number or quantity using addition
3. troften foll byto to join (something) to something else in order to increase the size, quantity, effect, or scope; unite (with)

   to add insult to injury

4. intrfoll byto to have an extra and increased effect (on)

   her illness added to his worries

5. tr to say or write further
6. trfoll byin to include

noun

1. informal.
   an instance of adding someone to one's list of contacts on a social networking site, esp MySpace

   Thanks for the add!

ADD

²

abbreviation for

1. attention deficit disorder

ADD

1. Abbreviation of attention deficit disorder

Other Words From

• adda·ble addi·ble adjective
• added·ly adverb
• mis·add verb
• re·add verb (used with object)
• un·adda·ble adjective
• un·added adjective
• un·addi·ble adjective

Word History and Origins

Origin of add¹

First recorded in 1325–75; Middle English adden, from Latin addere, equivalent to ad- ad- + -dere “to put” (combining form; do ¹ )

Origin of add²

First recorded in 1975–80

Word History and Origins

Origin of add¹

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

Idioms and Phrases

Idioms

1. 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.

Example Sentences

The group is adding the data to SoyBase, a collaborative online database for soybean research.

From Science Daily

This sounds like sugar's keeping us fed, but added sugars are actually empty calories – they are bereft of any nutrients like vitamins or fibers.

From Salon

While some tariffs have been in existence long before Trump's presidency, the U.S. enacted new tariffs during his first administration, such as the Section 301 tariffs that added taxes on certain imported goods from China.

From Salon

In August, Conservative shadow minister John Glen called for "full transparency" adding: "Keir Starmer can no longer try to brush this under the carpet."

From BBC

"It is time to secure our border," Trump added.

From BBC

Related Words

• boost
• continue
• include
• reply