Nouns

(n)sport, athleticsan active diversion requiring physical exertion and competition
(n)sportthe occupation of athletes who compete for pay
(n)sport, summercater(Maine colloquial) a temporary summer resident of Maine
(n)sporta person known for the way they behave when teased or defeated or subjected to trying circumstances“a good sport”, “a poor sport”
(n)sportsomeone who engages in sports
(n)mutant, mutation, variation, sport(biology) an organism that has characteristics resulting from chromosomal alteration
(n)fun, play, sportverbal wit or mockery (often at another's expense but not to be taken seriously)“he became a figure of fun”, “he said it in sport”

Verbs

(v)sport, feature, boastwear or display in an ostentatious or proud manner“she was sporting a new hat”
(v)frolic, lark, rollick, skylark, disport, sport, cavort, gambol, frisk, romp, run around, lark aboutplay boisterously“The children frolicked in the garden”, “the gamboling lambs in the meadows”, “The toddlers romped in the playroom”