• WordNet 3.6
    • adj spineless lacking thorns
    • adj spineless lacking spiny processes "spineless fins"
    • adj spineless weak in willpower, courage or vitality
    • adj spineless lacking a backbone or spinal column "worms are an example of invertebrate animals"
    • ***
Webster's Revised Unabridged Dictionary
    • Spineless Having no spine, or vertebral column.
    • Spineless Having no thorns or barbs.
    • Spineless lacking in strength of character; cowardly, in a physical or moral sense.
    • ***
Century Dictionary and Cyclopedia
    • spineless Having no spine or spinal column; invertebrate.
    • spineless Having no backbone, vigor, or courage; limp; weak; nerveless.
    • spineless Having the backbone flexible or supple.
    • spineless In ichthyology, having no fin-spines; soft-finned; anacanthine; malacopterous: as, the spineless fishes, or Anacanthini.
    • ***
Chambers's Twentieth Century Dictionary
    • Spineless having no spine, weak
    • ***


Chambers's Twentieth Century Dictionary
O. Fr. espine (Fr. épine)—L. spina, a thorn.


In literature:

She had become a self-acknowledged toady, a spineless sycophant, and for what?
"The Fighting Shepherdess" by Caroline Lockhart
Luther produces spineless cacti, while Mark gives spineless men a vertebra.
"Little Journeys to the Homes of the Great, Volume 11 (of 14)" by Elbert Hubbard
Spineless Youth Able to Work in the Fields.
"Owen Clancy's Happy Trail" by Burt L. Standish
You are a cruel, and a spineless creature.
"Valley of the Croen" by Lee Tarbell
But this time he looked so tired and drawn and spineless that a fish-hook of sudden pity tugged at my throat.
"The Prairie Mother" by Arthur Stringer
He was not persistent enough, maybe a bit spineless.
"The Place of Honeymoons" by Harold MacGrath
There is nothing spineless about Loretta!
"The Crevice" by William John Burns and Isabel Ostrander
Can't a fellow be sensible, Aunt Ocky, without being accused of spinelessness?
"The Monk of Hambleton" by Armstrong Livingston
The called it individualism, but Nelson called it spineless.
"The Happy Man" by Gerald Wilburn Page
John was a spineless man, unworthy son of a great father, content to idle away his life in ease and quiet.
"Nuala O'Malley" by H. Bedford-Jones

In news:

Spineless Republicans confirm appeasement advocate.
It is that moviegoer who is too spineless to ask the asshole three seats down to quit chatting away on the cell phone.
Howard Stern calls Jay Leno a 'spineless maggot ': Nastiest celeb feud.
NBC Threatens Howard Stern for Calling Jay Leno a 'Spineless Maggot '.
On his first solo mixtape, Himanshu snipes at the NYPD ("New York's spineless"), Whole Foods ("I be at bodegas") and his own success ("I went from 'Why bother'.
Torqued: Spineless Legislators Set Wrong Priorities.
' Spineless amoeba' describes Obama foreign policy.
The vital tasks carried out by tiny "engineers" like earthworms that recycle waste and bees that pollinate crops are under threat because one fifth of the world's spineless creatures may be at risk of extinction, a study showed on Friday.
Howard Stern calls Jay Leno a ' spineless maggot': Nastiest celeb feud.
Spineless officials ignore Obama fraud.
Mayor Jones is a spineless coward.
Spineless Republicans confirm appeasement advocate.
A lame and spineless duck.
Torqued : Spineless Legislators Set Wrong Priorities.
'Spineless amoeba ' describes Obama foreign policy.

In science:

GHC compiles Haskell code first to a polymorphic, explicitly typed lambda-calculus called Core [14, 16], then to the Spineless Tagless G-machine (STG) .
dup -- Explicit un-sharing in Haskell