antioncogenic
Inhibiting the formation of tumours.
Relating to an antioncogene

antioomycete
Inhibiting the activity of oomycetes.

antiopelmous
Of birds: having a zygodactylous foot with one tendon to flex the third toe and another, trifurcate tendon to flex the first, second and fourth toes.

antiophidian
That counters snakebite

antiophidic
Countering snakebite.

antiopiate
Counteracting an opiate.

antiopiates
plural of antiopiate

antiopium
Opposing the drug opium.

antiopposition
Opposing a political opposition.

antioppression
Opposing or countering oppression.

antioppressive
Opposing or countering oppression.

antioption
Opposing options.

antiordinance
Opposing an ordinance.

antiorganic
Opposing what is organic.

antiorganization
Acting against or opposed to an organization.

antiorganizational
Alternative form of anti-organizational.

antiorgastic
allaying sexual excitement; sedative.

antiorthic
perpendicular to an orthic axis

antiorthodox
Opposing what is orthodox.

antiorthopoxvirus
That counters the effect of orthopoxviruses

antiorthostatic
That hinders orthostasis

antiosteoarthritic
Countering osteoarthritis.

antiosteoclastogenic
That prevents the formation of osteoclasts

antiosteogenic
Inhibiting osteogenesis.

antiosteoporosis
Countering osteoporosis.

antiosteoporotic
Countering osteoporosis

antiosteoporotics
plural of antiosteoporotic

antiovine
That counters an ovine condition

antiownership
Opposing the ownership of goods etc.

antioxidant
Any substance that slows or prevents the oxidation of another chemical.
One of a group of vitamins that act against the effects of free radicals.

antioxidants
plural of antioxidant

antioxidating
antioxidation

antioxidative
That functions as an antioxidant

antioxidizable
Able to prevent being oxidized

antioxygen
antioxidant

antioxygenic
antioxidant

antioxytocic
Countering uterine contractions, thus delaying childbirth.

antioxytocics
plural of antioxytocic

antioxytocin
Countering the hormone oxytocin.

antipacifist
Opposing pacifism.

antipaedophile
Opposing paedophiles.

antipain
Preventing or counteracting pain; analgesic.

antipalindromic
Being equivalent to the object whose constituents or parameters are reversed in order and mapped by some involution, particularly the inversion operator of a quasigroup.
Being equivalent to the object whose constituents or parameters are reversed in order and mapped by some involution, particularly the inversion operator of a quasigroup.

antipaludic
antimalarial

antipandemic
Countering or preventing a pandemic.

antipanic
Countering panic.

antipapal
Characterized by opposition to the pope
Of or relating to an antipope

antipapalist
Synonym of antipapist.

antipapalists
plural of antipapalist

antipaparazzi
Opposing or countering paparazzi.

antipapist
One who subscribes to antipapism.

antipapistic
antipapist

antipapistical
antipapist

antiparachute
Opposing parachutes or parachutists.

antiparade
Opposing or forbidding parades.

antiparallel
(of vectors) Parallel but in opposite directions.
(of vectors) Parallel but in opposite directions.

antiparallels
plural of antiparallel

antiparalytic
Acting against paralysis.

antiparalytics
plural of antiparalytic

antiparamilitary
Opposing a paramilitary.

antiparasite
Countering parasites.

antiparasitic
That counters infection by parasites

antiparasitical
Alternative form of antiparasitic.

antiparasitics
plural of antiparasitic

antiparasitological
antiparasitic

antiparathyroid
Counteracting the parathyroid.

antipark
Opposing (the construction of) a park.

antiparliament
Opposing a parliament.

antiparliamentarian
Opposing parliament or rule by parliament.

antiparliamentarist
Synonym of antiparliamentarian.

antiparliamentarists
plural of antiparliamentarist

antiparliamentary
Opposing parliament.

antiparliaments
plural of antiparliament

antiparticipation
Opposing participation.

antiparties
plural of antiparty

antipartisan
opposing partisans or partisanship

antiparty
Opposing a particular political party.

antipassive
Relating to the antipassive voice.

antipassives
plural of antipassive

antipassivised
Non-Oxford British English standard spelling of antipassivized.

antipastoral
Eschewing pastoral literary themes and conventions.

antipastorals
plural of antipastoral

antipaternal
Pertaining to an immune response against the father

antipaternalistic
Opposing paternalism.

antipathetic
Having or showing a strong aversion or repugnance.
Opposed in nature or character; antagonistic.
Causing a feeling of antipathy; repugnant.
Not easily united by grafting.

antipathetical
Synonym of antipathetic (“with antipathy”).

antipathic
Characterized by antipathy.

antipathical
Synonym of antipathic.

antipathogenic
That acts against pathogens

antipathological
That counters disease

antipatico
Unpleasant, odious, unsympathetic, harsh, (of person) crabby.

antipatriarchal
Opposing the patriarchy.

antipatriarchical
Alternative form of antipatriarchal.

antipatriarchy
Opposing the patriarchy.

antipatriotic
Opposing patriotism.

antipatronage
Opposing or seeking to prohibit political patronage

antipeace
Opposed to peace; belligerent, warlike.

antipeasant
Opposing peasants.

antipedagogic
Opposing or contrary to pedagogy.

antipeddling
Prohibiting or restricting peddling

antipedophile
Alternative spelling of antipaedophile.

antipellagra
That prevents the onset of pellagra

antipellagric
Preventing or countering pellagra.

antipeonage
Opposing peonage.

antipeople
Opposed to the interests of the people

antipeptide
That produces an immune response to a specific peptide sequence

antipercolation
Synonym of AB percolation.

antiperestroika
Opposing perestroika.

antiperinuclear
That is counter to a given perinuclear material

antiperiodic
preventing the regular recurrence of symptoms
Exhibiting antiperiodicity.

antiperiodics
plural of antiperiodic

antiperiplanar
Describing a torsion angle between 150° and 180°

antiperistaltic
Of or relating to antiperistalsis.
That blocks or stops peristalsis.

antiperistaltics
plural of antiperistaltic

antiperistatic
Pertaining to antiperistasis.

antiperistatical
Pertaining to antiperistasis.

antipermeability
That counters cellular permeability

antipernicious
That counters a pernicious disease

antiperoxidant
Synonym of antiperoxidative.

antiperoxidase
That counters the effect of peroxidase

antiperoxidative
That counters peroxidation

antipersecution
Opposing persecution.

antipersister
Describing an antibiotic that targets organisms that are tolerant to normal antibiotics

antipersonnel
Designed to kill soldiers.

antiperthitic
Relating to an antiperthite.

antipertussive
that counters whooping cough

antipertussives
plural of antipertussive

antipest
Serving to counter or eliminate pests.

antipesticide
Opposing the use of pesticides.

antipestilential
Preventing or acting as a remedy against bubonic plague or other infectious diseases.

antipestilentials
plural of antipestilential

antipet
Opposed to pets.

antipetalous
Alternative form of antepetalous.

antipetroleum
Opposing petroleum, or the industrial activities associated with its production.

antiphage
That counters a viral phage

antiphagocytic
impeding or preventing the action of phagocytes or the occurrence of phagocytosis

antiphagocytosis
Synonym of antiphagocytic.

antiphallic
Opposing the phallic.

antipharisaic
Opposing the Pharisees.

antipharmacophore
That inhibits the action of pharmacophores

antiphase
A difference in phase (of two waves) of 180°

antiphases
plural of antiphase

antiphasic
That acts to suppress the effects of phase changes

antiphenoloxidase
That disrupts phenoloxidase activity

antiphilosophic
Synonym of antiphilosophical.

antiphilosophical
Opposing philosophy.

antiphishing
Opposing or countering phishing.

antiphlogistian
Someone who opposes phlogiston theory.

antiphlogiston
Opposed to the phlogiston hypothesis.

antiphobic
Counteracting a phobia.