Definition of Spineless

1. Adjective. Weak in willpower, courage or vitality.

Exact synonyms: Gutless, Namby-pamby, Wishy-washy
Similar to: Weak
Derivative terms: Namby-pamby, Spinelessness

2. Adjective. Lacking a backbone or spinal column. "Worms are an example of invertebrate animals"
Exact synonyms: Invertebrate
Category relationships: Zoological Science, Zoology
Antonyms: Vertebrate

3. Adjective. Lacking spiny processes. "Spineless fins"
Antonyms: Spinous

4. Adjective. Lacking thorns.
Exact synonyms: Thornless
Similar to: Unarmed

Definition of Spineless

1. a. Having no spine.

Definition of Spineless

1. [adj]

Lexicographical Neighbors of Spineless

spindlier
spindliest
spindling
spindling
spindly
spindrift
spindrifts
spine
spine
spine-finned
spine-tailed
spineback
spinebill
spined
spinel
spineless (current term)
spinelessly
spinelessness
spinelessnesses
spinelike
spinelle
spinelle
spinelles
Spinelli operation
spinels
spinel ruby
spines
spinescent
spinet
spinetail

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