ignoble
Not noble; plebeian; common.
Not honorable; base.
Not a true or "noble" falcon; said of certain hawks, such as the goshawk.
Of an element, dangerously reactive.

ignobler
comparative form of ignoble: more ignoble

ignoblest
superlative form of ignoble: most ignoble

ignominous
Misspelling of ignominious.

ignomous
Ignominious; marked by shame

ignorable
Able to be ignored.
Insignificant or trivial enough to be ignored.
Unrelated to the parameters being estimated

ignorables
plural of ignorable

ignorative
Applied to certain linguistic constructs that express indefiniteness or indicate that something is unknown.

ignostic
One who holds to ignosticism.

iguanian
Any of the suborder Iguania of iguanas, chameleons, agamids, and "New World lizards".

iguanians
plural of iguanian

iguaniform
Resembling or characteristic of an iguana.

iguanoid
Relating to the Iguanidae.

iguanoids
plural of iguanoid

iguanomorph
Having the form of an iguana

iguanomorphs
plural of iguanomorph

iid
Initialism of independent investigations division

ijit
Pronunciation spelling of idiot.

ijjit
Alternative spelling of eejit.

ijjits
plural of ijjit

ijut
Alternative spelling of eejit.

ijuts
plural of ijut

ikavic
Pertaining to the Ikavian dialect of Serbo-Croatian.

ikonic
Alternative form of iconic.

ikonomatic
Alternative form of iconomatic.

ilarviral
Of or relating to the ilarviruses.

ileac
Pertaining to the ileum.
Pertaining to the ilium.

ileal
Of or pertaining to the ileum.

ileoanal
Relating to the ileum and anus

ileocecal
Alternative form of ileocaecal.

ileocecocolic
relating to the ileum, cecum and colon

ileocecocolonic
Relating to the ileum, cecum and colon

ileocoecal
Alternative form of ileocaecal.

ileocolic
Relating to the ileum and colon

ileocolonic
Relating to the ileum and the colon or to the ileocolon

ileocolonoscopic
Relating to ileocolonoscopy.

ileocutaneous
Relating to, or connecting, the ileum and skin.

ileoduodenal
Synonym of duodenoileal.

ileofemoral
Relating to the ileum and the femur.

ileogastric
Relating to the ileum and stomach.

ileographic
Relating to ileography

ileoileal
Relating to different parts of the ileum

ileojejunal
Synonym of jejunoileal.

ileolumbar
Misspelling of iliolumbar.

ileophagous
Alternative form of iliophagous.

ileorectal
Relating to the ileum and rectum.

ileorenal
Relating to the ileum and kidneys.

ileourethral
Relating to, or communicating between the ileum and urethra.

ileovaginal
Relating to the ileum and vagina.

ileovesical
Relating to the ileum and the urinary bladder, usually with reference to a fistula therebetween.

iliacal
Alternative form of iliac.

iliacofemoral
Relating to the iliac and the femur

iligant
Pronunciation spelling of elegant.

iliocaudal
Both iliac and caudal.

iliocaval
Relating to the ilium and the vena cava

iliococcygeal
Relating to the iliococcygeus.

iliocostal
Relating to the ilium and ribs.

iliodorsal
Relating to the ilium and the back.

iliofemoral
Pertaining to both the ilium and the femur

iliohypogastric
Of or relating to the ilium and hypogastrium; applied to a branch of the first lumbar nerve.

ilioinguinal
Of or relating to the ilium and groin; applied to a branch of the first lumbar nerve.

ilioischiac
Synonym of ilioischial.

ilioischial
Relating to, or joining, the ilium and the ischium.

ilioischiatic
Synonym of ilioischial.

iliolumbar
Pertaining to the iliac and lumbar regions.

iliolumboaortic
iliolumbar and aortic

iliopectineal
Relating to, or connecting the ilium and the pecten (pubic bone)

iliopelvic
Relating to the ilium and the pelvis.

iliophagous
That feeds (typically on mud) in the lowest layer of water

iliopubic
Relating to, or between, the ilium and the pubis.

iliosacral
Relating to the ilium and sacrum; sacroiliac

ilioscrotal
Relating to the ilium and the scrotum.

iliospinal
Relating to the ilium and the spine.

iliotibial
Of or pertaining to both the ilium and the tibia.

iliotrochanteric
Relating to the ilium and the trochanter.

ilk
Very; same.

ilks
plural of ilk

illabial
Not labial; unrounded or unlabialized.

illative
Of, or relating to an illation.
Of, or relating to the grammatical case that in some languages indicates motion towards or into something.

illatives
plural of illative

illaudable
Not laudable; unpraiseworthy.

illaudatory
Neither praising nor complimentary.

illeagle
Misspelling of illegal.

illegal
Contrary to, forbidden, or not authorized by law, especially criminal law.
Forbidden by established rules.
Totally fictitious, and often issued on behalf of a non-existent territory or country.
Being or doing something illegally.
Being an illegal immigrant; residing in a country illegally.

illegals
plural of illegal

illegible
Not clear enough to be read; unreadable; not legible or decipherable.

illegit
illegitimate

illeist
Someone who refers to themselves in the third person.

illfavoured
Alternative spelling of ill-favored.

illfitting
Alternative form of ill-fitting.

illibertarian
Not libertarian.

illiciaceous
Of or relating to the Illiciaceae.

illicit
Not approved by law, but not invalid.
Breaking social norms.
Unlawful.

illicits
plural of illicit

illimitable
Impervious to limitation, without limit.

illiolumbar
Misspelling of iliolumbar.

illiophagous
Misspelling of iliophagous.

illiquid
Lacking liquidity.
Lacking liquidity.

illish
Somewhat ill.

illiteral
Not literal.

illitic
Of or relating to the mineral illite.

illlit
ill lit, poorly lit, dim.

illnesslike
Resembling or characteristic of illness.

illocable
Not able to be located, as in space.

illocal
Not confined to a particular place.

illocutional
Synonym of illocutionary.

illocutionary
Of, pertaining to, or deriving from illocution, the performance of acts by speaking.

illocutive
Of or pertaining to illocution.

illogic
Synonym of illogical.

illogical
Contrary to logic; lacking sense or sound reasoning.

illogics
plural of illogic

illoricate
Not loricate.

illoricated
Not loricated; lacking a hard shell.

illsome
Characterised by ill or illness

illucidative
Alternative form of elucidative.

illuminable
that can be illuminated or made lighter
understandable

illuminant
Something that illuminates.

illuminants
plural of illuminant

illuminary
illuminative

illuminationist
Of or relating to illuminationism.

illuminative
of, capable of, or causing illumination

illuminatory
Increasing informative qualities; explanatory.

illuministic
Of or relating to illuminism.
Of or relating to the Illuminati.

illusionable
Liable to illusion; easily duped or convinced

illusional
Illusory; being or pertaining to an illusion.

illusionary
Illusory; pertaining to an illusion, or of the nature of an illusion.

illusioned
Under an illusion; deceived.

illusionistic
Tending to create an illusion.

illusionless
Devoid of illusions.

illusionlike
Resembling or characteristic of an illusion.

illusive
Subject to or pertaining to an illusion, often used in the sense of an unrealistic expectation or an unreachable goal or outcome.

illusory
Resulting from an illusion; deceptive, imaginary, unreal.

illuster
Alternative spelling of illustre.

illustrable
Capable of illustration.

illustratable
Capable of being illustrated.

illustrational
Serving to illustrate.

illustrative
Demonstrative, exemplative, showing an example or demonstrating.

illustratory
illustrative (serving to illustrate or explain)

illustrious
Admired, distinguished, respected, or well-known.

illutible
That cannot be purged or washed away

illuvial
Of, pertaining to, or formed by illuviation

im
Initialism of intramuscular.

imagable
Alternative form of imageable.

imageable
Capable of being imaged

imagelike
Resembling or characteristic of an image.

imagemapped
Divided up into an image map.

imagenologic
Relating to imagenology

imageological
Misspelling of imagological.

imagerial
Of or relating to imagery.

imagey
Alternative form of imagy