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. Adjective. Having no spine ¹

2. Adjective. uncourageous ¹

¹ Source: wiktionary.com

Definition of Spineless

1. [adj]

Lexicographical Neighbors of Spineless

spine of helix
spine of scapula
spine pig
spine pigs
spine sign
spineback
spinebacks
spinebill
spinebills
spineboard
spineboards
spinechilling
spined
spinel
spinel ruby
spineless
spinelessly
spinelessness
spinelessnesses
spinelike
spinelle
spinelles
spinels
spines
spinescence
spinet
spinetail
spinets
spinette

Literary usage of Spineless

Below you will find example usage of this term as found in modern and/or classical literature:

1. The Plant World by Plant World Association, Wild Flower Preservation Society (U.S.) (1909)
"The chemical composition of the plant may be left entirely out of account. for the rapid-growing spineless forms do not differ enough in composition to make ..."

2. Enquiry Into Plants and Minor Works on Odours and Weather Signs by Theophrastus (1916)
"2 WJ4.1 With spineless plants it is not possible to make such ' generic ' distinctions ; for the variation of the leaves in size and shape is endless, ..."

3. Cyclopedia of American Agriculture: A Popular Survey of Agricultural by Liberty Hyde Bailey (1907)
"So far as present investigations show, spineless cacti are of little economic importance under existing range conditions in the West unless grown to ..."

4. The Standard Cyclopedia of Horticulture: A Discussion for the Amateur, and by Liberty Hyde Bailey (1917)
"Spineless: pinna: 13 pairs; Ifts. many pairs, oblong-linear, obtuse, pubescent beneath; petiole pubescent and with 2 convex glands at base: spikes twin, ..."

5. Flora of the Southern United States: Containing an Abridged Description of by Alvan Wentworth Chapman (1897)
"Spineless ; leaves obovate, rounded at the base, short-petioled (!' long) ; cymes divaricate, sessile or ..."

6. Synoptical Flora of North America: The Gamopetalae, Being a Second Edition by Asa Gray (1888)
"1192, the latter Dearly a spineless forni, lì. lati folia. Lam. Diet. iii. 24, & 111. t. 156. ... spineless ..."

7. The Journal of Heredity by American Genetic Association (1914)
""REVERSION" IN PRICKLY PEARS Origin of All Spineless Varieties of Opuntia to be Sought in Long Selection From Spiny Ones—Plant May Produce Spiny Joints on ..."

8. Productive Feeding of Farm Animals by Fritz Wilhelm Woll (1916)
"Spineless jter (average about 85 per •r cent fiber, 14.7 per cent jnd 4.2 per cent ash. As the nitrogen-free extract ty low; it is, therefore, a C ratio. ..."

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