Antic and Sprightly

• (n.) A grotesque trick; a piece of buffoonery; a caper.
• (n.) An antimask.
• (a.) Odd; fantastic; fanciful; grotesque; ludicrous.
• (v.i.) To perform antics.
• (n.) A buffoon or merry-andrew; one that practices odd gesticulations; the Fool of the old play.
• (v.t.) To make appear like a buffoon.
• (n.) An odd imagery, device or tracery; a fantastic figure.
• (a.) Old; antique.
• (n.) A grotesque representation.

noun

• A ludicrous or grotesque act done for fun and amusement.
  • synonyms: joke, prank, trick, caper, put-on

verb

• Act as or like a clown.
  • synonyms: clown, clown around

adjective

• Ludicrously odd.
  • usage: "Hamlet's assumed antic disposition"; "fantastic Halloween costumes"; "a grotesque reflection in the mirror"
  • synonyms: fantastic, fantastical, grotesque

adjective

• Full of spirit and vitality.
  • usage: "a sprightly young girl"; "a sprightly dance"

(superl.) Sprightlike or spiritlike; lively; brisk; animated; vigorous; airy; gay; as, a sprightly youth; a sprightly air; a sprightly dance.