preoccupational
Synonym of preemployment

preoccurrence
A prior occurrence.

preoccurrences
plural of preoccurrence

preocular
Just in front of the eyes.

preoculars
plural of preocular

preoculomotor
In front of the oculomotor nerve

preodontoblast
The precursor of an odontoblast

preodontoblasts
plural of preodontoblast

preoedipal
Before the formation of the Oedipus complex.

preofficial
Prior to officialdom.

preonic
Of or relating to preons.

preonset
Before the onset of a disease or other condition.

preontological
Before the development of ontological thought.

preop
Alternative form of pre-op.

preopening
Occurring before or in anticipation of an opening

preoperating
Before the start of operation.

preoperation
Prior to an operation (military, surgical, or other).

preoperational
Prior to a surgical operation.
In or relating to a Piagetian phase of child development characterized by sparse and logically inadequate mental operations and inability to reason or work with symbols.

preoperative
Prior to surgery.

preoperatives
plural of preoperative

preoperatory
preoperational

preopercular
Situated in front of the operculum.
Relating to the preoperculum.

preoperculars
plural of preopercular

preoperculomandibular
preopercular and mandibular

preophthalmic
anterior to the eye

preops
plural of preop

preoptic
In front of the optic chiasm

preoral
Situated in front of, or anterior to, the mouth.
Prior to the oral stage, in Freudian psychoanalysis.
Prior to an oral exam.

preorbital
Occurring before an orbit is established.
Situated in front of the orbit.

preorbitals
plural of preorbital

preordained
simple past and past participle of preordain

preordered
simple past and past participle of preorder

preordination
The state or process of things being preordained.

preordinations
plural of preordination

preorganised
Alternative form of preorganized.

preorganized
organized in advance

preorgasmic
Happening before an orgasm.
Having not yet experienced an orgasm (especially of a woman).

preorgastic
Preorgasmic.

preorientation
Prior to orientation.

preoriented
oriented prior to some other process

preoriginal
Before the (presumed) original.

preorogenic
Occurring before orogenesis.

preosseous
Relating to tissue that will become bone

preosteoblastic
Prior to the formation of an osteoblast
Relating to preosteoblasts

preosteoclastic
Relating to preosteoclasts

preosteocytic
Prior to the development of osteocytes

preosteogenic
Prior to osteogenesis

preotic
In front of the middle ear

preoutbreak
Before the outbreak of a disease.

preoviposition
Prior to oviposition.

preovipositional
Prior to egglaying

preovipository
Prior to oviposition

preovulatory
Prior to ovulation.

preowned
Alternative spelling of pre-owned.

preoxidative
Relating to preoxidation

preoxidized
oxidized in advance of another process

preoxygenator
Upstream of the oxygenator.

prepackaged
That has been packaged prior to being sold.

prepacked
packed in advance

prepageant
Before a pageant.

prepaid
simple past and past participle of prepay

prepaids
plural of prepaid

prepain
A physical sensation that is not pain but would become pain if it were more intense.

prepainful
Before the onset of pain.

prepalatal
Anterior to the palate.
Articulated anterior to the palate.

prepaleolithic
Before the Paleolithic era.

prepandemic
Before a pandemic.

preparable
Capable of being prepared.

preparade
Before a parade.

preparadigmatic
Before the formation of a paradigm.
Before the formation of a paradigm.

preparalytic
Before the onset of paralysis.

preparasitic
prior to becoming a parasite

preparasubthalamic
rostral to the parasubthalamic nucleus

preparational
preparatory

preparative
That serves to prepare something
preliminary or preparatory
Pertaining to the synthesis, purification, or isolation of compounds from mixtures or raw materials.

preparatives
plural of preparative

preparatory
Of or pertaining to preparation, having the purpose of making something or someone ready, preparative.

prepardon
Before a pardon is granted.

preparental
Prior to parenthood.

preparietal
In front of a parietal region

preparliamentary
Before entry into parliament.

preparoxysmal
Before a paroxysm.

prepartal
Prepartum.

preparticipation
Prior to participation.

prepartnership
Prior to a partnership.

prepartum
Before giving birth; prenatal.

preparturial
Prior to parturition

prepaschal
Synonym of antepaschal.

prepasted
Having paste already applied, requiring only the addition of water.

prepastoral
Before pastoralism.

prepatellar
In front of the kneecap.

prepatent
Before symptoms (especially of infection) become manifest.
Prior to the existence of a legal patent.

prepathological
Before, or leading to, a pathological state.

prepatriarchal
Before patriarchy.

prepatterned
patterned in advance

prepausal
Before a pause in speech.

prepause
Synonym of prepausal.

prepavement
Before the invention or installation of pavements.

prepayable
To be paid, or paid for, in advance.
Able or capable of being prepaid.

prepectoral
In front of the pectoral muscles

prepelvic
In front of the pelvis

prepenial
Situated in front of, or anterior to, the penis.

prepensive
prepense; planned beforehand

prepenultimate
Synonym of antepenultimate.

preperformance
Done or made before or in preparation for a performance.

preperformances
plural of preperformance

preperfused
perfused prior to some other operation

prepericardiac
anterior to the pericardium

prepericardial
anterior to the pericardium

preperimetric
Prior to affecting the perimeter (of vision)

preperiodic
Prior to the start of periodicity

preperitoneal
anterior to the peritoneum (between the parietal peritoneum and the abdominal wall)

prepermeabilized
permeabilized prior to some other operation

preperoxisomal
Prior to the formation of a peroxisome

prepersonal
Prior to the development of the individual ego.

prepersuasive
Prior to persuasion.

preperturbation
Prior to perturbation

prepetition
Of a claim, event, or condition existing prior to a bankruptcy petition.

prepharyngeal
Before the pharynx

prephilatelic
Of or pertaining to prephilately.

prephilosophical
Before the development of philosophical thought.

prephonatory
Alternative form of prephonetic.

prephonemic
Before understanding the concept of phonemes.

prephonetic
Prior to a phonetic stage.

prephoretic
Prior to phoresis

prephotographic
Before the invention of photography.

prephthisical
Before the onset of phthisis.

prephylogenetic
Prior to phylogenesis

prepicked
picked in advance

prepill
Prior to the use of an oral contraceptive.

prepiriform
Alternative form of prepyriform.

preplacement
Before placement.

preplacements
plural of preplacement

preplacental
anterior to the placenta

preplacodal
Prior to the development of the placode

preplacode
that happens before the placode develops

preplanned
Planned in advance.

preplant
Prior to planting

preplasmolyzed
plasmolyzed prior to some other operation

preplated
plated prior to another process

preplay
To visualize in advance.

preplayoff
Occurring before or in anticipation of a playoff

prepleural
Anterior to the pleura

preploded
Pre-occluded; marked by the phonological process of preocclusion.

prepolice
Before the creation of a police force.
Before police involvement.

prepolitical
Before the development or introduction of politics.

prepollent
Having superior influence or power; prevailing; predominant.

prepollents
plural of prepollent

prepolling
Before a poll takes place.

prepolymerised
Alternative form of prepolymerized.

preponderant
Having greater or the greatest weight, quantity, importance or force.

preponderous
preponderant

prepontine
anterior to the pons

prepopulist
Prior to the onset of populism.

preportioned
simple past and past participle of preportion

preposed
Placed before another term in a phrase.

prepositional
Of, pertaining to, or of the nature of a preposition.
Of the prepositional case.