Synonyms for Yellow-bellied:

• adj.

  •cowardly (adjective)
  • Chicken-hearted,
  • spineless,
  • no guts,
  • pigeonhearted,
  • having the willies,
  • Cowhearted,
  • running scared,
  • lacking courage.
  •craven (adjective)
  • fearful,
  • Mean-spirited.
  •gutless (adjective)
  • abject,
  • feeble,
  • submissive,
  • irresolute,
  • coward.
  •nerveless (adjective)
  • enervated,
  • petrified,
  • debilitated.
  •spineless (adjective)
  • ineffective,
  • impotent,
  • weak-willed,
  • inadequate,
  • invertebrate,
  • ineffectual,
  • vacillating.
  •weak-minded (adjective)
  • tentative,
  • hesitant,
  • undecided,
  • changeable,
  • wavering,
  • waffling,
  • hesitating,
  • undetermined,
  • on the fence,
  • indeterminate,
  • uncertain.

• n.

  •
  • fear,
  • unmanly,
  • dastardly.
  •cowardly (noun)
  • cowardly.

• Other synonyms:

  •
  • pusillanimous.
  •Other relevant words:
  • timorous,
  • apprehensive,
  • afraid,
  • bashful,
  • shy,
  • frightened,
  • retiring,
  • namby-pamby,
  • coy,
  • squeamish,
  • scared,
  • Icteric,
  • Vitelline,
  • mousy,
  • modest,
  • chicken-livered,
  • diffident,
  • jaundiced,
  • Weak-minded,
  • spiritless,
  • timid,
  • wishy-washy.

Antonyms for Yellow-bellied:

• adj.

  • cowardly
    brave, bold, undaunted, daring, dauntless, courageous, Unfearful, unafraid.
  • craven
    heroic, strong.
  • gutless
    gutsy, resolute.
  • nerveless
    nervous, nervy, disconcerted.