ultradistal
Extremely distal

ultradistant
Extremely distant.

ultradistinct
Extremely distinct

ultradiverse
Very highly diverse.

ultradogmatic
extremely dogmatic

ultradolichocephalic
Highly dolichocephalic.

ultradolichocranial
Having an extremely long skull.

ultradrastic
Extremely drastic.

ultradrier
comparative form of ultradry: more ultradry

ultradriest
superlative form of ultradry: most ultradry

ultradry
extremely dry.

ultradryer
comparative form of ultradry: more ultradry

ultradryest
superlative form of ultradry: most ultradry

ultradurable
Extremely durable.

ultraearly
Very early

ultraefficient
Extremely efficient; of utmost efficiency.

ultraelegant
Extremely elegant

ultraeligible
extremely eligible for marriage

ultraelliptic
Being or relating to a kind of hyperelliptic line integral involving a polynomial of degree 5 or 6.

ultraempirical
Highly empirical: empirical to a high degree.

ultraendurance
Involving sustained or consistent activity for a very long time.

ultraenergetic
Extremely energetic.

ultraenthusiastic
extremely enthusiastic

ultraevangelical
extremely evangelical

ultraexcessive
Extremely excessive.

ultraexclusive
Particularly exclusive.

ultraexpensive
Extremely expensive.

ultraextensive
extremely extensive

ultrafaint
Very faint

ultrafamic
Misspelling of ultramafic.

ultrafamiliar
extremely familiar; particularly familiar

ultrafamous
Particularly famous.

ultrafanatic
Extremely fanatic.

ultrafanatical
Extremely fanatical.

ultrafanatics
plural of ultrafanatic

ultrafantastic
Extremely fantastic.

ultrafashionable
Extremely fashionable.

ultrafast
Very fast, or of very short duration; especially concerning events that take place in femtosecond or picosecond timescales.

ultrafastidious
Extremely fastidious.

ultrafederalist
Having very strong federalist beliefs.

ultrafeminine
Highly feminine.

ultrafeudal
Extremely feudal.

ultrafilterable
Able to undergo ultrafiltration.

ultraflexible
Extremely flexible.

ultraformal
extremely formal

ultrafragile
Extremely fragile.

ultrafrivolous
extremely frivolous

ultrafunctional
Extremely and rigidly functional, without emotion or ornament.

ultrafundamentalist
Subscribing to extreme, radical fundamentalism

ultrafundamentalists
plural of ultrafundamentalist

ultrafunky
Extremely funky.

ultrafuturistic
extremely futuristic

ultragallant
extremely gallant

ultragaseous
Having the properties exhibited by gases under very low pressures (one millionth of an atmosphere or less).

ultrageeky
Exceptionally geeky.

ultragenteel
Very genteel.

ultraglamorous
Extremely glamorous.

ultrahard
Extremely hard; of utmost hardness.

ultrahazardous
Extremely hazardous.

ultrahealing
Very strongly healing.

ultraheroic
extremely heroic

ultrahigh
Alternative spelling of ultra-high.

ultrahip
Extremely hip.

ultraholomorphic
Holomorphic and such that all derivatives are uniformly bounded by a constant multiple of the argument that can be associated with the order of the derivative.

ultrahomogeneous
Such that every isomorphism between finitely generated substructures extends to an automorphism of itself.

ultrahuman
Having powers much greater than those of a normal human; superhuman

ultrahydrophobic
superhydrophobic

ultrahyped
Promoted with an extreme amount of hype.

ultrahyperarid
Extremely arid

ultrahyperbolic
Pertaining to an ultrahyperbolic equation.

ultraimperialist
Extremely imperialist.

ultraimperialistic
Extremely imperialistic.

ultraimpersonal
Extremely impersonal.

ultrainclusive
extremely inclusive

ultraindulgent
extremely indulgent

ultraingenious
Extremely ingenious.

ultraintellectual
Highly intellectual.

ultraintelligent
Extremely intelligent; of utmost intelligence.

ultraintense
Extremely intense; of utmost intensity.

ultraintensive
Extremely intensive, of utmost concentration, exceedingly concentrated.

ultraintimate
extremely intimate

ultrainvolved
extremely involved

ultraistic
Characteristic of ultraism.

ultralaborious
extremely laborious

ultralean
Especially lean; streamlined.

ultraleftist
An adherent of ultraleftism (all senses).
An extreme or uncompromising leftist, particularly an adherent of orthodox Marxism.

ultraleftists
plural of ultraleftist

ultralegal
Going beyond what is authorized or set out by law.

ultralenient
extremely lenient

ultralethal
Exceedingly lethal or deadly.

ultraliberal
Extremely liberal.

ultralightweight
Extremely lightweight.

ultralinear
Extremely linear.

ultralocal
Whose properties are influenced by its immediate neighbours only

ultralogical
extremely logical

ultralong
Extremely long.

ultraloose
Extremely loose.

ultralounge
Alternative spelling of ultra lounge.

ultralounges
plural of ultralounge

ultralow
Extremely low.

ultraloyal
Extremely loyal.

ultralucid
Extremely lucid.

ultraluminous
Very luminous
Very luminous
Having a luminosity near below, at, or, exceeding Eddington luminosity, exceeding the Eddington limit

ultraluxe
Very luxurious.

ultraluxurious
Highly luxurious.

ultraluxury
Providing an extremely high degree of luxury, well beyond what "luxury" would normally imply

ultramacho
Highly macho.

ultramagnetic
Extremely magnetic (used especially to describe magnetars)

ultramaphic
Alternative form of ultramafic.

ultramasculine
Highly masculine.

ultramaternal
Extremely maternal.

ultramatricial
Isomorphic to a countable direct limit of matricial algebras.

ultramature
Extremely mature.

ultramaximal
Above or beyond a maximum, for example on a graph.

ultramaximum
Greater than maximum; supermaximal; ultramaximal.

ultrameric
Misspelling of ultrametric.

ultrametamorphic
Of or relating to ultrametamorphosis.

ultrametric
Describing a metric whose triangle inequality has the stronger form d(x,z)< max d(x,y),d(y,z).
Describing a phylogeny in which every tip is the same distance from the root.

ultrametricised
Alternative form of ultrametricized.

ultrametricized
simple past and past participle of ultrametricize

ultrametrics
The study and use of ultrametric systems

ultramicro
ultramicroscopic

ultramicrobacterial
Relating to ultramicrobacteria.

ultramicrochemical
Relating to ultramicrochemistry.

ultramicrofluorimetric
Relating to ultramicrofluorimetry

ultramicrofluorometric
Alternative form of ultramicrofluorimetric.

ultramicroheterogeneous
On a smaller scale than microheterogeneous.

ultramicropathological
Relating to ultramicropathology

ultramicroporous
Having pores of a size considerably less than a nanometre

ultramicroscale
On an ultramicroscopic scale.

ultramicroscopical
ultramicroscopic

ultramicrosize
Smaller than microsize.

ultramicrostructural
Relating to ultramicrostructure

ultramicrotomic
Relating to an ultramicrotome

ultramilitant
extremely militant

ultraminiaturized
Reduced to ultraminiature size.

ultraminimal
Very minimal.

ultraminimalist
Very minimalist

ultramobile
Remarkably mobile; very convenient to travel with.

ultramoderate
Of very moderate political views.

ultramodernistic
extremely modernistic

ultramodest
extremely modest

ultramoist
Very moist.

ultramolecular
So highly diluted as not to contain a single molecule of the active substance.

ultramontane
Promoting the supremacy of the Pope.
From the other side of a mountain range, particularly the Alps.

ultramorphologic
Alternative form of ultramorphological.

ultramorphological
Relating to ultramorphology

ultramundane
extraordinary; abnormal
extraterrestrial; outside of earth or the universe

ultramutated
very mutated

ultrananocrystalline
Having crystals less than nanoscale

ultranarrow
Extremely narrow.

ultranational
ultranationalist

ultranationalist
Pertaining to or supporting ultranationalism; exceedingly nationalistic.

ultranationalistic
Very radically nationalistic.

ultranationalists
plural of ultranationalist

ultranatural
Extremely natural.

ultranerdy
Exceptionally nerdy.

ultranice
extremely nice

ultraobscure
extremely obscure

ultraofficious
extremely officious