'add up' definitions:

Definition of 'add up'

(from WordNet)
verb
Develop into; "This idea will never amount to anything"; "nothing came of his grandiose plans" [syn: come, add up, amount]
verb
Determine the sum of; "Add all the people in this town to those of the neighboring town" [syn: total, tot, tot up, sum, sum up, summate, tote up, add, add together, tally, add up]
verb
Add up in number or quantity; "The bills amounted to $2,000"; "The bill came to $2,000" [syn: total, number, add up, come, amount]
verb
Be reasonable or logical or comprehensible [syn: make sense, add up]

Synonyms of 'add up'

From: Moby Thesaurus

Words containing 'add up'