untenable
Not able to be held or sustained, such as of an opinion or position.
Unfit for habitation.

untenacious
Not tenacious.

untenantable
Unliveable-in or unuseful in its present state to purchaser, tenant or vendor.

untended
Not tended

untendentious
Not tendentious.

untenderable
Not tenderable.

untendered
Not tendered.

untenderized
Not tenderized.

untense
Not tense.

untensed
Not tensed.

untensioned
Not tensioned

untentacled
Without tentacles.

untented
simple past and past participle of untent

untentered
Not tentered.

untenty
Inattentive; clumsy; incautious.

untenuous
Not tenuous.

untenured
Lacking tenure (permanence at an academic job).

unterraced
Not terraced.

unterrestrial
Not terrestrial.

unterrifiable
That cannot be terrified.

unterrific
Unterrifying; not causing or involving terror.
Unexceptional, ordinary.

unterrified
Not terrified.

unterrifying
Not terrifying.

unterritorial
Not territorial.

unterritorialized
Not territorialized.

unterrorized
Not terrorized.

untessellated
Not tessellated.

untestable
That cannot be tested; unverifiable

untestamentary
Not testamentary.

untested
Not previously tested.

untesticled
Without testicles.

untestified
Not testified.

untestifying
Not testifying.

untesting
Not testing; not posing a difficult challenge.

untesty
Not testy.

untetherable
That cannot be tethered.

untethered
Not tethered; not tied down.
Unrestrained.

untetrahedralisable
Alternative spelling of untetrahedralizable.

untetrahedralizable
Not tetrahedralizable.

untexted
Without accompanying words or text.
Not sent by text message.
Not sent a text message.

untextual
Not textual; not characteristic of a text or written work.

untextualised
Alternative spelling of untextualized.

untextualized
Not textualized.

untextured
To which a texture has not been applied.

untexturized
Not texturized.

unthankable
Not capable of being thanked.

unthankful
Not thankful; ungrateful.

unthawable
Unable to be thawed.

untheatric
Not theatric.

untheatrical
Not theatrical; mundane; not staged.

untheatricalized
Not theatricalized.

untheistic
Not theistic.

unthematic
Not thematic.

unthematical
Not thematical.

unthematizable
Not thematizable.

unthematized
Not thematized.

unthemed
Not themed.

untheological
Not theological.

untheoretic
Not theoretic.

untheoretical
Not theoretical.

untheorised
Alternative spelling of untheorized.

untheorizable
Not theorizable.

untheorized
That has not been explained by a theory.

untherapeutic
Not therapeutic.

untherapeutical
Not therapeutical.

untherapized
Not having undergone therapy.

unthermalized
Not thermalized

unthermostatted
Not equipped with a thermostat.

unthespian
Not thespian.

unthinned
Not thinned.

unthinning
Not becoming thin.

unthirsting
Not thirsting.

unthirsty
Not thirsty.

unthonged
Not thonged.

unthorny
Not thorny.

unthorough
Not thorough.

unthoughted
Not thought out in advance; spontaneous.

unthoughtful
Inconsiderate of the feelings of others.
Unplanned or unthinking.

unthrashed
Not thrashed (threshed).

unthreadable
Not threadable.

unthreatenable
Not capable of being threatened.

unthreatened
Not threatened; safe.

unthreatening
Not threatening

unthreshed
Not threshed.

unthresholded
Not thresholded

unthrift
A lack of thriftiness; prodigality.
Someone who is not thrifty; a spendthrift, someone who is not careful with their money.

unthriftier
comparative form of unthrifty: more unthrifty

unthriftiest
superlative form of unthrifty: most unthrifty

unthrifty
Not thrifty: wasteful, extravagant; unproductive.

unthrillable
Not thrillable.

unthrilled
Not thrilled.

unthrilling
Not thrilling.

unthriving
Failing to thrive; weak or sickly.

unthrobbing
Not throbbing.

unthronged
Not crowded.

unthrottled
Not throttled.

unthrowable
That cannot be thrown.

unthrown
Not thrown.

unthrushlike
Not thrushlike.

unthrust
Not thrust out.

unthuggish
Not thuggish.

unthumbed
Not thumbed.

unthumped
Not thumped.

unthwartable
Not thwartable.

unthwarted
Not thwarted.

untiable
Alternative form of untieable.

untickable
Synonym of uncheckable (“possible to mark with a tick mark (a check mark)”).

unticketed
Not having been issued a ticket
Not marked with a ticket.

untickled
Not having been tickled.

unticklish
Not ticklish; not responsive to being tickled.

untidal
Not tidal.

untidied
Not tidied.

untidier
comparative form of untidy: more untidy

untidiest
superlative form of untidy: most untidy

untidy
Sloppy.
Disorganized.

untieable
Able to be untied.

untiered
Not arranged in tiers.
Not placed in a tier.

untight
Not tight or narrow; allowing something to pass or escape through it.

untightened
simple past and past participle of untighten

untillable
Not tillable.

untilled
Of land, having not been tilled.

untiltable
Not tiltable.

untimbered
Not timbered.

untimed
Not timed.

untimelier
comparative form of untimely: more untimely

untimeliest
superlative form of untimely: most untimely

untimely
At an inopportune time.
Early; premature.

untimetabled
Not timetabled.

untimid
Not timid.

untimorous
Not timorous.

untinctured
Not tinctured; not tainted or coloured (with or by something)

untinged
Not tinged; untouched, unpolluted.

untinkered
Not tinkered with.

untinseled
Alternative form of untinselled.

untinselled
Without tinsel.

untippable
Not tippable.

untipped
Not provided with a tip (in various senses).

untipsy
Not tipsy or drunk; sober.

untirable
Incapable of being tired; never tiring.

untireable
Alternative form of untirable.

untired
Not tired; unwearied.
Alternative form of untyred (“not fitted with tyres”).

untiresome
Not tiresome.

untithable
Not tithable.

untithed
Against which no tithe is charged.

untitillated
Not titillated.

untitillating
Not titillating.

untitleable
That cannot be titled.

untitled
Having no title.

untitrated
Not titrated

untittering
Not tittering.

untitular
Not titular.

untoadying
Not toadying.

untoasted
Not toasted

untoed
Without toes; toeless.

untogaed
Not wearing a toga.

untogether
Not together.
Not together.
Not together.

untoiled
Without hard work performed upon it.

untoiling
Not engaging in toil.

untoilsome
Not toilsome.

untokenized
Not tokenized.

untoleranced
Not toleranced.

untolerated
Not tolerated.

untolerised
Not tolerised

untolerized
Not tolerized.

untolled
On which no toll is charged.
Not having been tolled; unrung.

untomboyish
Not of the sort associated with a tomboy

untoned
Not toned.

untonsured
Not tonsured.

untooled
Not tooled.

untooted
Not tooted.

untoothsome
Not toothsome.

untopical
Not topical; atopical.

untopographical
Not topographical.

untoppable
Unable to be topped or surpassed; unbeatable.

untoppled
Not toppled or knocked over.

untorched
Not torched.

untormented
Not tormented.

untorn
Not torn

untorpedoed
Not torpedoed.

untorpid
Not torpid.

untorrid
Not torrid.

untortoiselike
Unlike a tortoise.

untortuous
Not tortuous.

untorturable
Not torturable.

untortured
Not tortured.

untossed
Not tossed.

untotaled
Alternative form of untotalled.

untotalled
not totalled

untottering
Not tottering; stable; steadfast.

untouchable
Not able to be touched.
Not able to be defeated or bested.

untouchy
Not inclined to engage in physical touch.

untough
Not tough.

untoughened
Not toughened.

untourable
Unsuitable for touring.

untoured
Not toured.

untouristed
Rarely visited by tourists

untouristic
Not touristic.

untouristy
Not touristy.

untourniqueted
Not tourniqueted

untousled
Not tousled.

untowable
That cannot be towed.

untowardly
In an untoward way.

untowed
Not towed.

untoweled
Alternative form of untowelled.

untowelled
Not dried with a towel.

untowered
Not having a tower or towers.

untownlike
Not townlike.

untrabeculated
Not trabeculated

untracable
Misspelling of untraceable.

untraceable
Not able to be traced or tracked down.

untraceried
Not traceried.

untrackable
Not trackable; incapable of being tracked.