exterritorial
Beyond the territorial limits; foreign to, or exempt from, the territorial jurisdiction.

extinctic
Of, or related to extinction.

extinctionist
An advocate of extinctionism.
A player who plays a roguelike game with the additional challenge of killing all creatures to extinction.

extinctionists
plural of extinctionist

extinctive
Tending or serving to extinguish, or make extinct.

extinctual
Of, related to, or resembling extinction.

extinguishable
Able to be extinguished.

extinguishant
An extinguisher, especially a fire extinguisher
An extinguishing medium such as water, chemical powders, gases (CO₂, halon, etc.)

extinguishants
plural of extinguishant

extirpable
Capable of being extirpated or eradicated.

extirpative
Of, relating to, or pertaining to an extirpation.

extirpatory
extirpative; that uproots

extispicious
Pertaining to divination by examining entrails.

extorsive
Serving or tending to extort.

extortable
That can be extorted.
From whom something can be extorted.

extortionary
Of, relating to, or typical of extortion; extortionate.

extortionate
Of, related to, or typifying extortion (“the practice of obtaining money or other property by the use of force or threats”).
Greatly exceeding what is moderate or reasonable; exorbitant.

extortive
Involving, constituting or accomplished by extortion.

extraabdominal
Outside of the abdomen

extraadrenal
From outside the adrenal system

extraamniotic
Outside of the amnion

extraanatomical
Not relating to normal anatomy or not following a normal anatomical path

extraantral
Outside of an antrum

extraaortal
Alternative form of extraaortic.

extraaortic
Beyond the aorta.

extraarticular
Situated outside of a joint.

extraatmospheric
Outside of the atmosphere of Earth

extraaxial
Outside of the parenchyma (but still within the brain)

extraaxillary
Growing outside of the axils.

extrabacterial
That does not involve a bacterium

extrabasinal
Flowing from a basin

extrabellum
Outside of wartime; during peacetime.

extrabiliary
Outside of the biliary tract

extrabinomial
Relating to unexpected variability arising from overdispersion.

extrabodily
Outside of the body.

extrabold
Very bold.

extrabranchial
Outside of the branchial arches.

extrabranchials
plural of extrabranchial.

extrabronchial
Outside of the bronchi.

extrabuccal
Outside of the mouth.

extrabudgetary
Outside the budget.

extrabulbar
Outside of a bulb, especially that of the urethra

extrabureau
Outside of a bureau or office.

extrabureaucratic
Outside of a bureaucracy.

extraburghal
Outside of a burgh or borough.

extrabursal
Outside of a bursa.

extracalendar
Outside of a calendar.

extracalendrical
Outside of a calendar.

extracallosal
Outside of the corpus callosum

extracameral
Outside of a chamber.

extracampine
Beyond the possible sensory field.

extracanalicular
External to a canaliculus

extracanonical
Outside of canon.

extracapillary
Outside of the capillary.

extracapsidular
Outside a capsid

extracapsular
Situated outside a capsule, especially outside the capsular ligament of a joint.

extracardiac
Outside the heart

extracardial
Synonym of extracardiac.

extracarpal
Outside of the carpus.

extracatalytic
Outside the catalytic domain of an enzyme

extracaveolar
outside of a caveola

extracavernous
Outside the corpus cavernosum

extracavitary
Beyond a cavity (typically, the pleural cavity)

extracellular
Occurring or found outside of a cell.

extracelomic
Outside the coelom

extracentromeric
External to a centromere

extracephalic
Outside of the head

extracerebellar
Outside the cerebellum.

extracerebral
Outside the cerebrum or brain

extracervical
Outside of the neck (cervix or collum).
Outside of the uterine cervix.

extrachloroplast
That exists outside of a chloroplast

extrachorial
Outside of the chorion

extrachorionic
Outside of the chorion.

extrachoroidal
Outside of the choroid

extrachromophoric
Located outside of a chromophore.

extrachromosomal
Happening outside a chromosome.

extrachurch
Outside of a church.

extraciliary
Outside of a cilium.

extracisternal
External to a cisterna

extracivic
Outside of a city or citizenship.

extracivilizational
Outside of a civilization.

extraclassical
Outside of a classical environment

extraclassroom
Outside of the classroom.

extraclaustral
Outside of a cloister.

extracloacal
Outside of the cloaca.

extracochlear
Outside the cochlea.

extracoelenteric
Outside the coelenteron.

extracoelomic
Alternative spelling of extracelomic.

extracoital
Outside of coitus.

extracollagenous
Outside of a collagenous region

extracollegiate
Outside of a college, or college life.

extracolonic
Outside of the colon

extracolumnar
Outside of a column (in various contexts)

extracompartmental
Outside of a compartment

extracomputational
Other than by means of computation

extraconal
Outside a cone.

extracondensed
Especially condensed.

extracondylar
That does not involve a condyle

extraconjugal
extramarital

extraconscious
Outside of a person's consciousness.

extraconstitutional
Beyond what is accommodated for in a constitution.

extracontinental
Beyond or outside a continent.

extracontractual
Outside of a legal contract.

extracoronal
Outside of the crown of a tooth

extracoronary
Outside of the heart (or its blood vessels)

extracorporal
extracorporeal

extracorporated
Moved outside of the body (while still attached and functioning)

extracorporeal
Outside the body.

extracorpuscular
Outside the corpuscle.

extracortical
Outside a cortex.

extracosmic
Beyond or outside of the cosmos.

extracostal
Outside of the ribs.

extracoxal
Attached to a coxal muscle

extracranial
Not intracranial, but outside the cranium.

extracrevicular
Outside of a crevice

extracromosomal
Misspelling of extrachromosomal.

extracrystalline
Pertaining to the outer surface of a crystal.

extractable
Capable of being extracted.

extractible
Alternative spelling of extractable.

extractional
Of or relating to an extraction process.

extractive
That serves to extract something
That withdraws natural resources by extraction
Able to be extracted

extractives
plural of extractive

extractivist
Characterised by seeking to extract as much of a high-demand resource as possible from a forested area in as short a time as possible.

extractivists
plural of extractivist

extracultural
Outside of a culture.

extracurial
Outside of a court.

extracurricular
Outside of the normal curriculum of an educational establishment.
Similarly outside of the normal duties of a job or profession.
Extramarital.

extracurriculars
plural of extracurricular

extracutaneous
Outside of the skin or cutis.

extracystic
Outside of a cyst.

extracytoplasmatic
Outside the cytoplasm.

extracytoplasmic
From outside of the cytoplasm of a cell

extracytosolic
Outside the cytosol

extradecisional
Outside of a (typically judicial) decision

extradentary
With more than the use of teeth.

extradepartmental
Outside a department.

extradermal
Beyond the surface of the skin

extradesmosomal
Outside of a desmosome

extradialectal
Outside of a dialect.

extradiaphragmatic
Not associated with the diaphragm

extradiegetic
External to the narrative.

extradigestive
Other than digestive

extradigital
Away from the digits.

extradimensional
Originating outside the known physical reality of the universe.
Coming from a world outside Einsteinian space-time.

extradiscal
Outside the intervertebral disc.

extraditable
Of a person: able to be extradited.
Of an action or an offense: for which one can be extradited.

extradomestic
Outside of the home or household.

extradomicilar
Alternative form of extradomiciliary.

extradomiciliary
Outside of a domicile

extradosed
Having an extrados.

extraductal
Outside of a duct.

extradural
Outside of the dura mater

extradurals
plural of extradural

extradyadic
Beyond or outside dyadic sexuality.

extraembryonal
Extraembryonic.

extraembryonic
Inside the womb, but outside the embryo.