definition of
add up

[1] #1 add up v. develop into; "This idea will never amount to anything"; "nothing came of his grandiose plans". wn

[2] #2 add up v. determine the sum of; "Add all the people in this town to those of the neighboring town". wn

[3] #3 add up v. add up in number or quantity; "The bills amounted to $2,000"; "The bill came to $2,000". wn

[4] #4 add up v. be reasonable or logical or comprehensible. wn