Longman Dictionary of Contemporary English - add

~ S1 W1 v 1 »PUT WITH« to put something with something else or with a group of other things ~ sth to sth  (Do you want to add your name to the list? | I gave him a rare Swedish stamp to add to his collection.) 2 »COUNTING« to put two or more numbers together in order to calculate the total  (Add 6 and 6 to make 12.) ~ sth to  (Added to what we've already saved, it gives us $550.)  (- compare subtract) 3 »INCREASE« to increase the amount or cost of something by putting something more with it ~ sth to  (The sales tax adds 15% to the price of clothes.)  (Conforming to the new regulations will add to the cost of the project.) 4 »SAY« to say something more that is related to what has been said already  (That's all I have to say. Is there anything you'd like to add, David? | "And I don't care what you think " she added defiantly.) ~ that  (Casey added that everything he had told us was, of course, top-secret.) I might ~ spoken (=used when adding something, especially to complain)  (The bus was two hours late, and, I might add, they tried to charge my children the full adult fares.) 5 »COOKING« to mix one food with another while cooking  (Cream the butter and sugar, then add the eggs.) 6 »GIVE A QUALITY« to give a particular quality to an event, place, situation etc  (Fine champagne always adds glamour to an occasion.) 7 ~ed to this/if you ~ to this used to introduce another fact, especially one that makes a situation seem even worse  (If you add to this the young age of the victims, it makes the crime unforgivable.) 8 ~ insult to injury to make a situation even more upsetting for someone, when they have already been badly or unfairly treated 9 ~ fuel to the fire/flames to make a bad situation even worse, especially by making someone more angry  ( @add in ~ sth ± in phr v to include something with something else  (By the time we added in the cost of the drinks the bill was over $100.) @add on ~ sth ± on phr v 1 to make a building larger by building another room  (They added on a bedroom at the back.) 2 to increase the amount or cost of something by putting something more with it  (Labor costs could add on a further 25%.)  (Service is added on to the bill.) @add to ~ to sth phr v to make something such as a feeling or quality stronger and more noticeable  (Our explanation seemed only to add to his bewilderment. | a certain diffidence which added to his charm) @add up ~ up phr v 1 T ~ sth up