SPINELESS

• (adj.) lacking spiny processes

  "spineless fins"

• (adj.) lacking a backbone or spinal column

  "worms are an example of invertebrate animals"

  synonyms : invertebrate

• (adj.) lacking thorns

  synonyms : thornless

• (adj.) weak in willpower, courage or vitality

  synonyms : gutless , namby-pamby , wishy-washy

WordNet® 3.0, © 2006 by Princeton University.

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