First Known Use: 14th century
Dictionary
add
verb \ˈad\
: to put (something) with another thing or group of things
: to mix or combine (an ingredient) with other ingredients
: to include (something) with something else
Full Definition of ADD
transitive verb
1
: to join or unite so as to bring about an increase or improvement <adds 60 acres to his land> <wine adds a creative touch to cooking>
2
: to say further : append
3
: to combine (numbers) into an equivalent simple quantity or number
4
: to include as a member of a group <don't forget to add me in>
intransitive verb
1
a : to perform addition b : to come together or unite by addition
2
a : to serve as an addition <the movie will add to his fame> b : to make an addition <added to her savings>
— add·able or add·ible \ˈa-də-bəl\ adjective
See add defined for English-language learners
See add defined for kids
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Origin of ADD
Middle English, from Latin addere, from ad- + -dere to put — more at do
Related to ADD
ADD
abbreviation
Definition of ADD
1
American Dialect Dictionary
2
attention deficit disorder
See ADD defined for English-language learners
ADD Defined for Kids
add
verb \ˈad\
add·edadd·ing
Definition of ADD for Kids
1
: to combine numbers into a single sum
2
: to join or unite to something <They plan to add a room to the house.>
3
: to cause to have <Parsley adds color to the dish.>
4
: to say something more <The teacher added, “It's not only wrong, it's foolish.”>
— add up
1
: to be added together to equal the expected amount
2
: to make sense <Something about his story doesn't add up.>
Medical Dictionary
add
abbreviation
Medical Definition of ADD
adduction; adductor
Learn More About ADD
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