say it: ad
add is a verb and noun meaning "make an addition (to); join or combine or unite with others; increase the quality, quantity, size or scope of". It carries 7 recorded senses.
make an addition (to); join or combine or unite with others; increase the quality, quantity, size or scope of
“We added two students to that dorm room”
“She added a personal note to her letter”
“Add insult to injury”
“Add some extra plates to the dinner table”
make an addition by combining numbers
“Add 27 and 49, please!”
arithmetic
a condition (mostly in boys) characterized by behavioral and learning disorders
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for add come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.