Synonyms for Unsinkable:

• adj.

  •all (adjective)
  • unsinkable.
  •buoyant (adjective)
  • weightless,
  • bouncy,
  • afloat,
  • resilient,
  • airy.
  •floating (adjective)
  • loose,
  • swimming,
  • unsubstantial,
  • sailing,
  • Wafting,
  • free,
  • light,
  • unattached,
  • inflated,
  • hollow,
  • Hovering,
  • volatile,
  • soaring.
  •unshakable (adjective)
  • firm,
  • adamant,
  • inflexible,
  • impregnable,
  • unflappable,
  • fixed,
  • unwavering,
  • abiding.

• Other synonyms:

  •Other relevant words:
  • cheery,
  • mercurial,
  • agile,
  • bright,
  • exuberant,
  • floaty,
  • animated,
  • full of beans,
  • vivacious,
  • frisky,
  • spirited,
  • elastic,
  • youthful,
  • blithe,
  • dashing,
  • cheerful,
  • breezy,
  • nimble,
  • vivid,
  • Natatorial,
  • bubbly,
  • merry,
  • lively,
  • alive,
  • energetic.

Antonyms for Unsinkable:

• adj.

  • all
    sinkable.
  • buoyant
    heavy-hearted, heavy, depressed, weighted, down.
  • floating
    submerged, sunk.
  • unshakable
    flexible, soft, weak, shakable, pliant, yielding.