In a spineless manner.

plural of spinet

The state or quality of being spineless (not having a spine (literally or figuratively)); cowardice.

Resembling or characteristic of a spine (spike or bristle).

(rare) Alternative spelling of spine-chilling

Alternative form of spine board

plural of spineboard

plural of spineback

(zoology) A fish with spines in, or in front of, the dorsal fins.

Any of the Australian birds of the genus Acanthorhynchus, related to the honeyeaters.