invertebrate

Meaning

1. An animal without vertebrae (i.e., without a backbone).
2. A spineless person; a coward.
3. Without a backbone: without vertebrae.
4. Cowardly, uncourageous; lacking character.

Etymology / origin

Etymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Italic *n̥- Latin in-bor. Middle English in- English in- English vertebrate English invertebrate From in- + vertebrate.

Sources

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