| English adjective: spineless | |||
| 1. | spineless weak in willpower, courage or vitality | ||
| Synonyms | gutless, namby-pamby, wishy-washy | ||
| Similar | weak | ||
| Antonyms | strong | ||
| 2. | spineless lacking a backbone or spinal column | ||
| Samples | Worms are an example of invertebrate animals. | ||
| Synonyms | invertebrate | ||
| Domain category | zoological science, zoology | ||
| Antonyms | vertebrate | ||
| 3. | spineless lacking spiny processes | ||
| Samples | Spineless fins. | ||
| Antonyms | spinous, spiny | ||
| 4. | spineless lacking thorns | ||
| Synonyms | thornless | ||
| Similar | unarmed | ||
| Antonyms | armed | ||