past participle of swell
"After spending too much time by the pool, my feet were swollen and painful when I finally went inside to change."
characteristic of false pride; having an exaggerated sense of self-importance
"a conceited fool"
"an attitude of self-conceited arrogance"
"an egotistical disregard of others"
"so swollen by victory that he was unfit for normal duty"
"growing ever more swollen-headed and arbitrary"
"vain about her clothes"
protuberant or abnormally distended (as by injury or disease).
"After falling off his bike, he had to limp home because his ankle was so swollen it looked like a grapefruit."
The word "swollen" comes from Middle English and Old English, tracing back to the Proto-Germanic verb meaning "to swell." Its original form was a past participle describing something that has become enlarged or distended.