add (v.)

late 14c., "to join or unite (something to something else)," from Latin addere "add to, join, attach, place upon," literal and figurative, from ad "to" (see ad-) + -dere, combining form meaning "to put, place," from dare "to give" (from PIE root *do- "to give").

The intransitive meaning "to do sums, do addition" also is from late 14c. Related: Added; adding. To add up is from 1754; in the figurative meaning "make sense," by 1942. Adding machine "machine to cast up large sums" is from 1822.

Origin and meaning of add

updated on September 14, 2022

Definitions of add from WordNet
add (v.)
make an addition (to); join or combine or unite with others; increase the quality, quantity, size or scope of;
She added a personal note to her letter
We added two students to that dorm room
add (v.)
state or say further;
Synonyms: append / supply
add (v.)
bestow a quality on;
The music added a lot to the play
This adds a light note to the program
Synonyms: lend / impart / bestow / contribute / bring
add (v.)
make an addition by combining numbers;
Synonyms: add together
add (v.)
determine the sum of;
Synonyms: total / tot / tot up / sum / sum up / summate / tote up / add together / tally / add up
add (v.)
constitute an addition;
This paper will add to her reputation
add (n.)
a condition (mostly in boys) characterized by behavioral and learning disorders;
Synonyms: attention deficit disorder / attention deficit hyperactivity disorder / adhd / hyperkinetic syndrome / minimal brain dysfunction / minimal brain damage / mbd
Etymologies are not definitions. From, not affiliated with etymonline.