Synonyms for Light as a feather:

• adj.

  •weightless (adjective)
  • filmy,
  • insubstantial,
  • porous,
  • sheer,
  • unsubstantial,
  • dainty,
  • airy,
  • slight,
  • sandy,
  • easy,
  • inconsequential,
  • slender,
  • effervescent,
  • small,
  • loose,
  • ethereal,
  • friable,
  • petty,
  • flimsy,
  • meager,
  • frothy,
  • graceful,
  • sprightly,
  • thin,
  • nimble,
  • little,
  • fluffy,
  • feathery,
  • agile,
  • buoyant,
  • crumbly,
  • spongy,
  • lithe,
  • trifling,
  • floating,
  • downy,
  • trivial,
  • portable,
  • delicate,
  • atmospheric.

• Other synonyms:

  •
  • weightless.
  •
  • lightweight.
  •Other relevant words:
  • light.

Antonyms for Light as a feather:

• adj.

  • weightless
    important, significant.