spinospinal
That originates and terminates in the spinal cord; propriospinal.

spinosympathetic
Relating to the spine and the sympathetic nervous system.

spinotectal
Relating to the spine and tectum.

spinothalamic
Relating to, or connecting the spinal cord and the thalamus.

spinothalamocortical
Relating to the spine, thalamus and cerebral cortex

spinotrapezoid
Relating to the spine and trapezoid muscle

spinotrigeminal
Relating to the spine and the trigeminal nerve

spinpolarized
Alternative form of spin-polarized.

spinproof
Resistant to going into a spin.

spinsterial
Of, pertaining to, or befitting, a spinster

spinsterian
Of, pertaining to, or befitting, a spinster

spinsterish
Resembling or characteristic of a spinster.

spinsterlike
Resembling or characteristic of a spinster.

spinsterly
of or relating to a spinster or spinsterhood

spinthariscopic
Of or relating to the spinthariscope.

spintrian
Of or pertaining to sex or fornication (especially homosexual) between three or more people.

spintronic
Of or pertaining to spintronics.

spinulate
Having spinules

spinulated
Alternative form of spinulate.

spinuliform
Resembling a spinule.

spinworthy
Worthy of being spun (into thread).
Worthy of being played or listened to.

spiny
Covered in spines or thorns.
Troublesome; difficult or vexing.
Like a spine in shape; slender.

spinyhead
Having a head that is spiny.

spiracular
Of, pertaining to, of having spiracles

spiraculate
Alternative form of spiracular.

spiraculiferous
Bearing a spiracle.

spiraculiform
Resembling a spiracle.

spiralbound
Bound with coil binding.

spiraliform
spiral-shaped

spiralised
Alternative form of spiralized.

spiralized
simple past and past participle of spiralize

spirallike
Having the characteristics of a spiral or spiral galaxy

spiralwise
In a spiral shape or motion.

spiranic
Of or pertaining to spiro compounds.

spirantal
Relating to a spirant or fricative.

spirantic
Relating to a spirant or fricative.

spiraperturate
Having an aperture that is spiral in shape.

spirated
spirally twisted

spired
having a spire

spireless
Without a spire.

spirelike
Resembling a spire.

spireward
Toward a spire.

spirewise
In the form of a spire.

spiric
Like a torus.

spirics
plural of spiric

spiriferous
Of or relating to spirifers.

spiriform
Of a spiral shape.

spirillar
Resembling or relating to a spirillum.

spirillary
Relating to Spirillum species.

spirilloid
Relating to, or characteristic of bacteria of the genus Spirillum.

spiritful
Full of spirit; spirited.

spiritic
Relating to a person's spirit, or to the spiritual world.

spiritish
Resembling a spirit in character, quality, or appearance; spiritlike; spiritly.

spiritless
Lacking energy, drive, motivation or emotion. Enervated.

spiritlike
Resembling a spirit.

spiritly
Of, relating to, or resembling a spirit; spiritual; spiritlike.

spiritous
spirituous
high-spirited
pure; ardent

spiritsome
Characteristic of or possessing the qualities of a spirit; spiritlike.

spiritualist
One who professes a regard for spiritual things only; one whose employment is of a spiritual character; an ecclesiastic.
One who maintains the philosophic doctrine of spiritualism.
One who practises spiritism (a.k.a. spiritualism); a believer in the possibility of communication with the dead; one who attempts to communicate with the dead.

spiritualistic
Of, pertaining to, or characteristic of spiritualism.
Of, pertaining to, or characteristic of spiritism; spiritistic.

spirituous
Of, pertaining to, containing, or made using alcohol.
Distilled.
Synonym of spiritual.

spirity
Full of spirit; spirited.

spiroannulated
Alternative form of spiro-annulated.

spirochaetaemic
Alternative form of spirochetemic.

spirochaetal
Alternative form of spirochetal.

spirochaetic
Alternative form of spirochetic.

spirochetal
Of or pertaining to a spirochete or spirochetes.

spirochetemic
Relating to spirochetemia

spirochetic
Relating to spirochetes.

spirocheticidal
Killing spirochetes.

spirochetocidal
Alternative form of spirocheticidal.

spirochetolytic
Lysing spirochetes.

spirochetostatic
Inhibiting (curbing) spirochetal populations although not destroying them.

spirochetotic
Relating to spirochetosis.

spirocyclic
Having the geometry of a spiro compound

spiroergometric
Relating to spiroergometry.

spirofused
fused so as to form a spiro compound

spirographic
Using a spirograph

spiroid
Resembling or having the form of a spiral or helix.

spiroidal
Of or pertaining to a spiroid.

spirolobous
Having the cotyledons spirally rolled up.

spiroloculine
Having chambers arranged spirally; used especially of a foraminiferan shell.

spirometric
Of or pertaining to spirometry

spirometrical
Alternative form of spirometric.

spiroplasmal
Relating to bacteria of the genus Spiroplasma.

spirotrichean
Relating to the spirotrichs

spirotricheans
plural of spirotrichean

spirotrichous
Relating to the spirotrichs

spirulate
Having the colour spots, or structural parts, arranged spirally.

spirurian
Belonging to the nematode subclass Spiruria.

spiry
Like or resembling a spire.
Abounding in spires.
Of a spiral form; wreathed; curled; serpentine.

spissated
Inspissated, thickened by inspissation.

spitbraaied
Cooked by roasting on a spit.

spiteful
Filled with, or showing, spite; having a desire to annoy or harm.

spitefuller
comparative form of spiteful: more spiteful

spitefullest
superlative form of spiteful: most spiteful

spiteless
Free from spite.

spitesome
Characterised or marked by spite.

spitish
spiteful

spitless
Without spit or spitting.

spittly
Like spittle; slimy.
Containing spittle

spitty
characterised by spitting
tending to spit frequently
covered in saliva

spitzoid
Relating to, or similar to, a Spitz nevus.

spivish
Having the behaviour and appearance of a spiv.

spivvier
comparative form of spivvy: more spivvy

spivviest
superlative form of spivvy: most spivvy

spivvish
Alternative spelling of spivish.

spivvy
Of, related to, or resembling a spiv; flashy but often also seedy.

spizelline
Of or relating to the Spizella.

spl
Abbreviation of special.

splachnaceous
Of or relating to the Splachnaceae.

splachnoid
Of or relating to the moss genus Splachnum.

splanchnic
Of, in, near or pertaining to the viscera or intestines.

splanchnocranial
Relating to the splanchnocranium

splanchnological
Relating to splanchnology.

splanchnopleural
Relating to splanchnopleure

splanchnopleuric
Relating to the splanchnopleure.

splanchnotomic
Relating to splanchnotomy.

splashable
Able to be splashed.

splashier
comparative form of splashy: more splashy

splashiest
superlative form of splashy: most splashy

splashless
Lacking any splashes or splashing.

splashproof
Alternative spelling of splash-proof.

splashy
Relating to making splashes or the sound of splashing.
Showy, ostentatious.
Splashed with color.
Wet and muddy; full of dirty water.

splatchy
splotchy

splatterproof
Resistant to splattering.

splattersome
Characterised or marked by splattering

splattery
Resembling or covered in splatters.
Composed of liquid spray that causes splatters.

splatty
Tending to splatter; messy.

splayfooted
Having splayfeet.

spleenful
Full of spleen; spiteful.

spleenless
Lacking a spleen.

spleenlike
Resembling the spleen; splenoid.

splended
Misspelling of splendid.

splendidiferous
Synonym of splendidious.

splendidofilariine
Of or related to any nematode of the clade Splendidofilariinae

splendiferous
Beautiful, splendid.

splendiloquent
Splendid.
Splendidly eloquent.

splendorous
Splendid, having splendor.

splendourous
Misspelling of splendorous.

splendrous
Splendid, having splendor.

splenetical
Alternative form of splenetic.

splenetive
Alternative form of splenitive.

splenial
Relating to the splenium, especially describing the pair of muscles, at the back of the neck, that move the head and neck

splenials
plural of splenial

splenic
Of, related to, or located near the spleen.

splenitic
Relating to splenitis.