| noun | an abnormal protuberance or localized enlargement |
| noun | something that bulges out or is protuberant or projects from its surroundings “the gun in his pocket made an obvious bulge” |
| noun | the increase in volume of certain substances when they are heated (often accompanied by release of water) |
| verb | increase in size, magnitude, number, or intensity “The music swelled to a crescendo” |
| verb | become filled with pride, arrogance, or anger “The mother was swelling with importance when she spoke of her son” |
| verb | expand abnormally “The bellies of the starving children are swelling” |
| verb | come up (as of feelings and thoughts, or other ephemeral things) “Strong emotions welled up” |
| verb | come up, as of a liquid “Tears well in her eyes” |
| verb | cause to become swollen “The water swells the wood” |
| swell | verb | expand abnormally |
| puffy | adjective | abnormally distended especially by fluids or gas |
| bulgy | adjective | curving outward |
| bulge | verb | bulge out; form a bulge outward, or be so full as to appear to bulge |
| hump | verb | round one's back by bending forward and drawing the shoulders forward |
| gibbous | adjective | characteristic of or suffering from kyphosis, an abnormality of the vertebral column |
| protuberant | adjective | curving outward |
| protuberate | verb | cause to bulge out or project |
| protrude | verb | bulge outward |
| excrescent | adjective | forming an outgrowth (usually an excessive outgrowth) |
| swelling | noun | an abnormal protuberance or localized enlargement |
| intumescency | noun | swelling up with blood or other fluids (as with congestion) |
| intumescence | noun | swelling up with blood or other fluids (as with congestion) |
| tumefaction | noun | the process of tumefying; the organic process whereby tissue becomes swollen by the accumulation of fluid within it |
| tumescent | adjective | abnormally distended especially by fluids or gas |