add
1 Americanverb (used with object)
-
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.
-
to find the sum of (often followed byup ).
Add this column of figures.
Add up the grocery bills.
-
to say or write further.
-
to include (usually followed byin ).
Don't forget to add in the tip.
verb (used without object)
noun
verb phrase
idioms
abbreviation
abbreviation
verb
-
to combine (two or more numbers or quantities) by addition
-
to increase (a number or quantity) by another number or quantity using addition
-
to join (something) to something else in order to increase the size, quantity, effect, or scope; unite (with)
to add insult to injury
-
to have an extra and increased effect (on)
her illness added to his worries
-
(tr) to say or write further
-
to include
noun
Other Word Forms
Derived Forms
-
unaddibleadjective
-
addibleadjective
-
unaddedadjective
-
misaddverb
-
addedlyadverb
-
readdverb (used with object)
-
addableadjective
-
unaddableadjective
Conjugated Forms
Present
-
have addedperfect
-
has addedperfect 3rd person singular
-
has been addingperfect progressive 3rd person singular
-
addingparticiple
-
addssingular 3rd person
-
is addingprogressive 3rd person singular
-
have been addingperfect progressive
-
am addingprogressive 1st person singular
-
are addingprogressive
Past
-
had addedperfect
-
were addingprogressive plural
-
addedsimple
-
addedparticiple
-
was addingprogressive singular
-
had been addingperfect progressive
Future
Etymology
Origin of add1
First recorded in 1325–75; Middle English adden, from Latin addere, equivalent to ad- ad- + -dere “to put” (combining form; see do 1)
Origin of ADD2
First recorded in 1975–80
Explanation
When you add, you join two or more things together. If you add on to your summer cottage, you build an extra room that's connected to your existing house. If your boss adds ten dollars to your paycheck, she gives you the money in addition to, or on top of, your salary. And when you add a column of numbers, you combine each one in the list until you get a final answer. You might verbally add something by making one last statement: "I'd like to add that I can't wait to visit again!" The Latin root is addere, "add to, join, or attach."
Vocabulary lists containing add
Number and Operations: Fractions
Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!
Operations and Algebraic Thinking
Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!
Measurement and Data
Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
“He was riffing. He knew what to add. But also — and this can be more important — he also knew what to leave out to capture the viewer’s eye and make his point.”
From Washington Post • Dec. 10, 2022
“Until we get that information, there’s not too much I can add. We will wait and see.”
From Seattle Times • Oct. 14, 2022
Then, with a grin, he added: “I’ve got another hour to add. Easily, right?”
From New York Times • Sep. 26, 2022
Though he highlighted the potential displayed by some younger internal options such as José Quijada, Andrew Wantz, Austin Warren and Oliver Ortega, he also noted “we’d like to add. You can never have enough.”
From Los Angeles Times • Nov. 9, 2021
“And they are way more entitled, I might add. Manhattan rats expect you to give them the right of way.”
From "Night Owls" by A.R. Vishny
![]()
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.