univocalic
That uses instances of only one vowel.

univocalics
plural of univocalic

univocals
plural of univocal

univoltin
Dated form of univoltine.

univoltine
Having one brood or generation in a year

univoltines
plural of univoltine

univorous
Liking or consuming only one kind of product.

unjabbed
Not having been jabbed.
Unvaccinated.

unjacketed
Not jacketed

unjaded
Not jaded.

unjailable
Unable to be jailed.
For which a jail sentence cannot be given.

unjailed
Not jailed; unincarcerated.

unjammable
Not jammable; unable to be jammed; immune to jamming

unjangled
Not jangled.

unjapanned
Not japanned.

unjargonized
Not jargonized.

unjarred
Not jarred or shaken; calm, tranquil.

unjaundiced
Not jaundiced; uncynical.

unjaunty
Not jaunty.

unjazzlike
Not jazzlike.

unjazzy
Not jazzy.

unjealous
Not jealous.

unjeered
Not jeered.

unjelled
Not jelled.

unjellied
Not jellied.

unjeoparded
Not jeoparded.

unjeopardised
Alternative form of unjeopardized.

unjeopardized
Not jeopardized.

unjesting
Not jesting.

unjesuitical
Not jesuitical.

unjettisoned
Not jettisoned.

unjewish
Alternative spelling of un-Jewish.

unjilted
Not jilted.

unjingoistic
Not jingoistic

unjinxable
Unable to be jinxed.

unjittery
Not jittery.

unjocose
Not jocose.

unjocund
Not jocund.

unjogged
Not jogged.

unjoinable
Not joinable.

unjoined
simple past and past participle of unjoin

unjointed
Not jointed.

unjointured
Not jointured.

unjoking
Not joking.

unjolly
Not jolly; glum.

unjolted
Not jolted.

unjostled
Not jostled.

unjostling
That does not jostle.

unjournalistic
Not journalistic.

unjournalized
Not journalized.

unjourneyed
Not journeyed over.

unjovial
Not jovial.

unjoyous
Not joyous.

unjubilant
Not jubilant.

unjudgable
Incapable of being judged.

unjudgeable
Incapable of being judged.

unjudgelike
Not judgelike.

unjudgemental
Alternative spelling of unjudgmental.

unjudgmental
Not judgmental.

unjudicable
Alternative form of injudicable.

unjudicial
Not judicial.

unjudicious
Injudicious.

unjuggled
Not juggled.

unjuiceable
Unable to be juiced.

unjuiced
Not juiced.

unjuicy
Not juicy (in various senses).

unjumpable
Not jumpable.

unjunked
Not junked.

unjuried
Without a jury.

unjuster
comparative form of unjust: more unjust

unjustest
superlative form of unjust: most unjust

unjusticiable
Not justiciable.

unjustifiable
That cannot be justified, excused or pardoned.

unjuvenile
Not juvenile.

unkeeled
Not having a keel.

unkeen
Not keen, lacking in enthusiasm or motivation.

unkeepable
Not keepable.

unkenneled
Not kenneled.

unkennelled
Alternative spelling of unkenneled.

unkept
Not kept (especially of promises).

unkeratinized
Not keratinized

unkerchiefed
Not wearing a kerchief.

unkerned
Not kerned.

unket
Alternative form of unked.

unkeyed
Atonal.
Without a key.

unkeyworded
Without a keyword assigned to it.

unkickable
That cannot be kicked.

unkicked
Not having been kicked.

unkillable
Not killable; unable to be killed.

unkilned
Not kilned.

unkilted
Not wearing a kilt.

unkindhearted
Not kindhearted; having an unkind disposition or character.

unkindled
Not kindled (lit, or set alight).
Not aroused, awakened or stirred.

unkindlier
comparative form of unkindly: more unkindly

unkindliest
superlative form of unkindly: most unkindly

unkindling
That does not kindle.

unkindredly
Not befitting kindred or family.

unkingliest
superlative form of unkingly: most unkingly

unkinglike
Not kinglike.

unkingly
Not kingly.

unkinkable
That cannot form kinks.

unkinky
Not kinky (in various senses).

unkippered
Not kippered.

unkirked
simple past and past participle of unkirk

unkirtled
Not kirtled.

unkissable
That cannot be kissed; not suitable for kissing.

unkissed
Not kissed; not having been kissed by someone.

unkitschy
Not kitschy.

unknapped
Not knapped.

unkneadable
Not kneadable.

unkneaded
Not kneaded.

unkneeling
Not kneeling.

unknelled
Without having a bell rung for one's funeral.

unknickered
Not wearing knickers.

unknifed
Not having been knifed.

unknighted
Not knighted.

unknightlike
Not knightlike.

unknightly
Not knightly.
Of behaviour, not befitting a knight; ungallant.

unknit
To unravel.
To undo knitted stitches by reversing the knitting motion.

unknittable
Not knittable; unable to be knitted.

unknitted
simple past and past participle of unknit

unknocked
Not knocked or knocked upon.

unknocking
Not knocking.

unknottable
Not knottable; in which a knot cannot be tied.

unknotted
simple past and past participle of unknot

unknotty
Not knotty.

unknowable
Not knowable; not able to be known.

unknowables
plural of unknowable

unknowledgeable
Lacking knowledge: ignorant, naive, or both.

unknurled
Not knurled.

unkodaked
Not photographed.

unkooky
Not kooky.

unkosher
Not kosher.

unkoshered
Not koshered.

unlabeled
Not labeled; having no label.

unlabelled
Not labelled; having no label.

unlabialized
Not labialized.

unlabiate
Not labiate.

unlabored
Alternative spelling of unlaboured.

unlaboring
Alternative form of unlabouring.

unlaborious
Not laborious.

unlaboured
Not laboured.

unlabouring
Not engaging in labour.

unlacerated
Not lacerated.

unlackeyed
Without a lackey or servant.

unlaconic
Not laconic.

unlacquered
Not lacquered.

unladdered
Not laddered; without a ladder in them.

unladilike
Rare spelling of unladylike.

unladylike
Not ladylike; ill-mannered.

unlagered
Not lagered.

unlagged
Not lagged.

unlagging
Not lagging; untiring.

unlaicized
Not laicized.

unlaid
not laid
not laid
not laid
not laid
not laid

unlame
Not lame.

unlamed
Not lamed.

unlamentable
Not lamentable.

unlamented
Not lamented.

unlamenting
Not lamenting.

unlaminated
Not laminated.

unlampooned
Not lampooned.

unlanced
Not having been lanced.

unlandable
Not landable.

unlanded
Not owning land.
Not having been brought to land.

unlandmarked
Without landmarks.

unlandscaped
Not landscaped.

unlanguaged
Not expressed with language.

unlanguid
Not languid.

unlanguishing
Not languishing.

unlanguorous
Not languorous.

unlanterned
Without a lantern.

unlapelled
Having no lapels.

unlapsed
Not lapsed.

unlapsing
That does not lapse.

unlarded
Not larded.

unlascivious
Not lascivious.

unlasered
Not having been lasered.

unlashed
simple past and past participle of unlash

unlateralized
Not lateralized.

unlathed
Not lathed.

unlathered
Not lathered.

unlatinate
Which does not (or seems not to) follow the Latin language's grammatical rules correctly.
Ignorant of the Latin language.

unlatinized
Not Latinized.

unlatticed
Not latticed.

unlaudable
Not laudable; deserving no praise.

unlaudatory
Not laudatory.

unlauded
Not lauded; given no praise.

unlaughable
Not laughable; at which one cannot or should not laugh.

unlaughing
Not laughing.

unlaunchable
That cannot be launched.

unlaunched
not launched

unlaundered
That has not been laundered.

unlaureled
Not crowned with laurel.

unlaurelled
Alternative form of unlaureled.

unlavaged
Not lavaged

unlaved
Not laved; unwashed.

unlavish
Not lavish.

unlavished
Not lavished.

unlawed
simple past and past participle of unlaw

unlawful
Prohibited; not permitted by law (either civil or criminal law; see illegal)

unlawyered
Without a lawyer.

unlawyerlike
Not lawyerlike.

unlawyerly
Not lawyerly; not like, or not befitting, a lawyer.

unlayable
Impossible to lay.

unlayered
Not layered.

unlazy
Not lazy.

unleachable
Not leachable.

unleached
Not leached.

unleadable
Incapable of being led.

unleaderly
Not leaderly.

unleafy
Not leafy.

unleakable
Not leakable.

unleaked
Not having been leaked.

unleaking
Not leaking.

unleaky
Not leaky.

unleal
disloyal

unlean
Not lean.

unlearnable
Not able to be learned.

unleasable
Not leasable.

unleased
Not leased.

unleashable
Unable to be leashed, or restrained
Able to be unleashed

unleashed
simple past and past participle of unleash

unleasht
Rare spelling of unleashed.

unleathered
Not leathered.