Swift
WordNet
adjective
(1) Moving very fast
"Fleet of foot"
"The fleet scurrying of squirrels"
"A swift current"
"Swift flight of an arrow"
"A swift runner"
noun
(2) Common western lizard; seen on logs or rocks
(3) A small bird that resembles a swallow and is noted for its rapid flight
(4) An English satirist born in Ireland (1667-1745)
(5) United States meat-packer who began the use of refrigerated railroad cars (1839-1903)