spineless
adjective
[ ˈspʌɪnləs ]
• having no spine or backbone; invertebrate.
• weak and purposeless.
• "a spineless coward"
Similar:
weak,
weak-willed,
weak-kneed,
feeble,
spiritless,
soft,
ineffectual,
inadequate,
irresolute,
indecisive,
cowardly,
timid,
timorous,
fearful,
faint-hearted,
pusillanimous,
craven,
submissive,
unmanly,
namby-pamby,
lily-livered,
chicken-hearted,
afraid of one's shadow,
wimpish,
wimpy,
sissy,
sissified,
chicken,
yellow,
yellow-bellied,
gutless,
pathetic,
wet,
candy-assed,
poor-spirited,
recreant,
chickenshit,
• (of an animal or plant) lacking spines.
• "spineless forms of prickly pear have been selected"