precarial
Relating to a precarium.

precarious
Dangerously insecure or unstable; perilous.
Depending on the intention of another.

precarized
Placed in a position of precarity.

precarnival
Before a carnival.

precartilaginous
Prior to the formation of cartilage

precast
Cast previously in another location.

precastration
Before a castration.

precataclysmic
Before a cataclysm.

precatalytic
Relating to the changes (in structure etc.) that happen to enzymes before their catalytic function becomes possible.

precatatonic
Prior to catatonia.

precategorial
Not assigned a part of speech.

precategorials
plural of precategorial

precative
Resembling or pertaining to an entreaty.

precatives
plural of precative

precaucus
Before a caucus.

precaudal
In front of the tail or of the caudal vertebrae

precautionaries
plural of precautionary

precautionary
Of, pertaining to, or serving as a precaution.

precautious
Taking precautions.

precaval
Anterior to the vena cava.

precavals
plural of precaval

precedable
Able to be preceded.

precedent
An act in the past which may be used as an example to help decide the outcome of similar instances in the future.
A decided case which is cited or used as an example to justify a judgment in a subsequent case.
An established habit or custom.
The aforementioned (thing).
The previous version.
A rough draught of a writing which precedes a finished copy.

precedental
Synonym of precedential.

precedentary
Being or relating to a precedent; coming before.

precedential
Having the force of precedent.

precedentless
Without precedent.

preceeding
Misspelling of preceding.

precellular
Before the formation of biological cells.
Of or pertaining to precells.

precenozoic
Alternative spelling of Pre-Cenozoic.

precensus
Before a census.

precentorial
Of or relating to a precentor.

precentral
Anterior to a centre.

precentrifuged
centrifuged prior to another operation

precentromeric
Prior to formation of a centromere

preceptive
Of, pertaining to, or based on precepts
instructive; didactic

preceptorial
Pertaining to a preceptor.

preceptorials
plural of preceptorial

preceptories
plural of preceptory

preceptory
A community of the Knights Templar, or the physical buildings or estate of such a community.

preceptual
Relating to a precept.

preceramic
Describing a society that did not use pottery.
Of a polymer: able to be converted into a ceramic by pyrolysis in an inert atmosphere.

preceramics
plural of preceramic

precerebellar
In front of the cerebellum

precerebellary
Alternative form of precerebellar.

precerebral
That leads to the cerebrum

preceremonial
Of sexual intercourse: taking place before the actual ceremony of marriage, but between a couple who are committed to getting married in the future.

preceremony
Before a ceremony.

precertification
Certification in advance.

precessional
Of or pertaining to precession.

prechaetal
In front of the chaetae

prechallenge
Prior to a drug challenge.

prechampionship
Before a championship.

precharge
before a charge

precharged
charged in advance

precheliceral
anterior to the chelicera

prechemical
Before a chemical reaction.

prechemotherapeutic
Before chemotherapy.

prechemotherapy
Before chemotherapy.

prechiamatic
Misspelling of prechiasmatic.

prechiasmal
In front of a chiasma (especially the optic chiasma)

prechiasmatic
In front of the optic chiasma

prechiasmic
Located before a chiasma.

prechilled
chilled in advance

prechipped
Having a piece or pieces broken or flaked off at the time of acquisition.
Coming with a modchip preinstalled.

prechlorination
Chlorination (typically of water) before some other process.

prechlorinations
plural of prechlorination

prechloroform
Before the discovery or availability of chloroform.

prechoanal
Located prior to a choana

prechoice
Before making a choice.

prechondroblastic
Prior to the formation of a chondroblast

prechondrogenic
Describing cells prior to chondrogenic differentiation

prechordal
In front of the notochord

prechordate
Prior to the development of a notochord

prechordates
plural of prechordate

prechosen
chosen in advance

prechronic
Prior to the development of a chronic condition

precibal
Before a meal.

precibarial
pertaining to, or located in, the precibarium

preciliary
Prior to the formation of a cilium

preciliated
ciliated prior to some other operation

precinctive
Endemic; peculiar to a particular area or region.

precinema
Before the development of cinema.

precinematic
Before the invention of cinema.

precingular
In front of a cingulum

precious
Of high value or worth.
Regarded with love or tenderness.
Treated with too much reverence.
Excessively complicated.
Extremely protective or strict (about something).
Blasted; damned.
Contrived to be cute or charming.
Thorough; utter.

preciouses
plural of precious

preciousest
superlative form of precious: most precious

precipiced
Having a precipice or precipices.

precipient
Commanding; directing; willing.
Perceiving or perceived; pertaining to or capable of observation or sensation.

precipitable
Able to form a precipitate

precipitant
Inclined to make rapid decisions without due consideration; hasty, impulsive, rash.
Of a fall: straight downwards; headlong.
Acting, happening, or moving quickly; fast, rapid, swift; also, abrupt, sudden, unexpected.
That causes precipitation (“formation of a heavier solid in a lighter liquid as a result of a chemical reaction”).

precipitants
plural of precipitant

precipitationless
Without precipitation; dry, arid.

precipitative
Synonym of precipitate.

precipitatory
Serving to precipitate; causing something to happen.

precipitinogenic
Producing a precipitin.

precipitous
Steep, like a precipice
Headlong
Hasty; rash; quick; sudden

precircumcision
Before a circumcision.

precise
Both exact and accurate.
Consistent, clustered close together, agreeing with each other (this does not mean that they cluster near the true, correct, or accurate value).
Adhering too much to rules; prim or punctilious.

precised
simple past and past participle of precise
Alternative form of précised; simple past and past participle of precis

precisely
In a precise manner; exactly.
Used to provide emphasis.

preciser
comparative form of precise: more precise

precisest
superlative form of precise: most precise

precisianistic
Petty, pedantic.

precision
The state of being precise or exact; especially, both exact and accurate.
The ability of a measurement to be reproduced consistently.
The number of significant digits to which a value may be measured reliably.
A bidding system that makes use of many artificial bids to describe a hand quite precisely.

precisional
Relating to precision.

precisions
plural of precision

precisive
Cutting off.
Exactly limiting by cutting off all that is not absolutely relevant.

precited
Previously cited, typically earlier in the same document.

precivilized
Before civilization.

precladistic
Prior to the use of cladistics.

preclamped
clamped prior to some other operation

preclarified
clarified before some other process

preclass
Prior to a class.

preclassical
Of or pertaining to a period before a classical period.
Of or relating to the period following the baroque.

preclassified
classified prior to some other operation

precleared
cleared in advance

precleavage
Prior to cleavage (of DNA &c)

precleaved
cleaved prior to some other operation

preclerical
Before the development of the clergy.

preclimacteric
Synonym of premenopausal.

preclimacterics
plural of preclimacteric

preclimactic
Before a climax.

preclimax
Before the point of climax.

preclinic
Before a clinic.

precloacal
In front of the cloaca

precloned
cloned in advance

preclosing
Before closure.

preclosure
Before closure.

precludable
That may be precluded.

preclusive
Serving to preclude.

preclustered
clustered prior to some other operation

precnemial
In front of the cnemial crest