1. To make or to take a deep audible breath: "She sighs when she is tired and needs a cup of tea."
2. To take in and let out a long and audible breath in a way that shows that someone is bored, disappointed, relieved, etc.: "It was possible to hear some sighs of relief from students when they found out that they had passed the final exam."

1. The physical shape or bulk of something: "The size of the rain clouds was amazing."
2. An indication of an item of graduated measurements or proportions: "I tried on a size seven dress and it fit me perfectly."

"What size shoe do you wear?"

1. To alter, to make, or to modify something to correspond to its actual shape or bulk: "The seamstress had to size the arms of the jacket to match the length of the coat."
2. To cover something; such as, wallpaper with a sticky substance called sizing (glue, flour, or varnish) in order to make it stiff or smooth or to attach something else to it: "The paper hanger had to size the paper before he could attach it to the walls."