not perishable; not subject to decay; enduring permanently
noun
(in the plural) something that does not perish, or keeps for a long time
imperishably
imperishably
adv
In an imperishable manner.
impermutable
impersonable
impierceable
impierceable
adj
(obsolete) Not capable of being pierced; impenetrable.
imponderable
imponderable
adj
Difficult or impossible to comprehend or evaluate.
Not ponderable; without sensible or appreciable weight; incapable of being weighed.
noun
(physics) An imponderable substance or body; specifically, in the plural, a name formerly applied to heat, light, electricity, and magnetism.
A factor that cannot be anticipated.
An imponderable question.
imponderably
imponderably
adv
In an imponderable manner.
importunable
importunable
adj
(obsolete) heavy; insupportable
impredicable
imprevisible
imprevisible
adj
(rare) unforeseeable
imprisonable
imprisonable
adj
(law, of an offence) Carrying a sentence of imprisonment.
Capable of being imprisoned.
improcurable
improducible
improfitable
improfitable
adj
(obsolete) Synonym of unprofitable
incomparable
incomparable
adj
(rare) Not able to be compared.
So much better than another as to be beyond comparison; matchless or unsurpassed.
noun
Something beyond compare; a thing with which there is no comparison.
incomparably
incomparably
adv
In an incomparable manner.
incorporable
incorporable
adj
Able to be incorporated.
indeprivable
indeprivable
adj
(now rare) That one cannot be deprived of; inalienable.
inevaporable
inexplorable
inexplorable
adj
That cannot be explored or discovered; inscrutable or unfathomable
inexportable
inextirpable
inextirpable
adj
Not capable of being extirpated or rooted out; ineradicable.
inpardonable
inponderable
inscriptible
inscriptible
adj
Capable of being inscribed.
inseparables
inseparables
noun
plural of inseparable
intemperable
intemperably
interpolable
interpolable
adj
Capable of, or suitable for, being interpolated.
interposable
interposable
adj
Capable of being interposed.
irrelapsable
irrelapsable
adj
Not liable to relapse; secure.
irrepairable
irrepairable
adj
That cannot be repaired.
irrepassable
irrepealable
irrepealable
adj
That cannot be repealed.
irrepealably
irrepealably
adv
Such that it cannot be repealed.
irreplacable
irreplacable
adj
Misspelling of irreplaceable.
irreplacably
irreportable
irreprovable
irreprovable
adj
Not reprovable; irreproachable.
irreprovably
irreprovably
adv
In a irreprovable manner; irreproachably.
irrepublican
irrepublican
adj
(archaic) unrepublican
irrespirable
irrespirable
adj
Unbreathable.
lipobranchia
lobsterproof
mainpernable
mainpernable
adj
(law) Capable of being admitted to give surety by mainpernors; able to be mainprised.
mecrobeproof
membranipora
meprobamates
meprobamates
noun
plural of meprobamate
microbeproof
miniproblems
motorphobiac
motorphobiac
noun
Synonym of motorphobe (“one who fears or dislikes automobiles”)
multiproblem
multiproblem
adj
Involving more than one problem.
negrophobiac
negrophobias
negrophobist
neighborship
neighborship
noun
A community, connection, or relationship between or among people and/or things which is based simply on being of a similar class.
The state or condition of being neighbors; a community, connection, or relationship between or among people and/or things which is based simply on living close geographically.
nonparabolic
nonparabolic
adj
Not parabolic.
nonpermeable
nonpermeable
adj
(physics) Having the same magnetic permeability as that of free space, so that the material in question has a magnetic permeability 𝜇=𝜇₀ (where μ₀ = 4π×10⁻⁷ N A⁻² exactly in SI units).
Not permeable.
nonpresbyter
nonprintable
nonprintable
adj
(computing, typography) Not printable.
nonprobation
nonprobative
nonprobative
adj
Not probative.
nonprobatory
nonreparable
nonrepayable
nonrepayable
adj
Not repayable.
nonreputable
nonreputable
adj
That lacks reputation; with unknown reputation.
nonreputably
nonseparable
nonseparable
adj
(mathematics, physics) Not separable
nonseparably
obcompressed
obcompressed
adj
Compressed or flattened anteroposteriorly, or in a way opposite to the usual one.
obreptitious
obreptitious
adj
Done or obtained by surprise, with secrecy, or by concealment of the truth.
observership
observership
noun
The office or work of an observer.
obstreperate
obstreperous
obstreperous
adj
Attended by, or making, a loud and tumultuous noise; boisterous.
Stubbornly defiant; disobedient; resistant to authority or control, whether in a noisy manner or not.
ombrographic
ombrophilous
ombrophilous
adj
(biology) Capable of thriving in areas of heavy rainfall
ombrophobous
ombrophobous
adj
Synonym of ombrophobic
ombudsperson
ombudsperson
noun
A person of any gender who performs the function historically defined by the term ombudsman.
opprobriated
opprobriated
verb
simple past tense and past participle of opprobriate
orihyperbola
ouranophobia
ouranophobia
noun
Fear of heaven.
paddleboards
paddleboards
noun
plural of paddleboard
paintbrushes
paintbrushes
noun
plural of paintbrush
palpebration
palpebration
noun
(medicine) winking of the eye
papyrophobia
papyrophobia
noun
The fear or hate of paper
paraboliform
paraboliform
adj
Shaped like a parabola.
parabolising
parabolising
verb
present participle of parabolise
parabolizing
parabolizing
verb
present participle of parabolize
paraboloidal
paraboloidal
adj
Having a paraboloid shape.
parabotulism
parabranchia
parabranchia
noun
A modified osphradium of certain gastropod molluscs that functions as a gill
paraglobulin
paraglobulin
noun
(biochemistry) An albuminous body in blood serum, belonging to the group of globulins.