Word origins

• -ianaUsed in forming female given names.
• ianthinaAny of the family Epitoniidae (syn. Janthinidae) of violet snails.
• iatralipticstherapeutic inunction
• IaxartesThe Syr Darya river.
• IazygesA tribe of Sarmatia settled on the Danube.
• IbericSynonym of Iberian.
• -ibleAn adjective suffix, now usually in a passive sense; forms adjectives meaning "able to be", "relevant or suitable to, in accordance with", or expressing capacity or worthiness in a passive sense.
• -icaa collection of things that relate to a specific place, person, theme, etc.
• I came, I saw, I conqueredI gained a total and swift victory.
• ichneumonologyThe study of ichneumon wasps (Ichneumonidae).
• ichthyocollaFish glue, isinglass; a glue prepared from the sounds (swimming bladders) of various fishes.
• -icleUsed to form diminutive nouns.
• iconicitythe state of being iconic (in all meanings)
• iconothecaA collection of icons.
• ictericJaundiced (having icterus); having yellowing of the skin, mucous membranes of the sclerae of the eyes, or other parts of the body.
• icterus neonatorumneonatal jaundice
• icticPertaining to, or caused by, a blow; sudden; abrupt.
• IdaeanPertaining to Mount Ida, the name given to a mountain near ancient Troy, and to a mountain of Crete, sometimes held to be the birthplace of Zeus.
• IdalianOf or pertaining to Idalium, an ancient city of Cyprus where Aphrodite was worshipped.
• -ideAny of a group of related compounds - azide, polysaccharide, glycoside.
• idem sonansIncorrectly spelled, but sufficiently correct to identify someone.
• ides of MarchThe 15th of March in the Ancient Roman calendar, on which day Julius Caesar was assassinated.
• idiologusThe chief financial officer in Egypt when it was part of the Roman Empire.
• idiopathyA disease or condition arising spontaneously or having no known cause.
• idiotismVery severe mental retardation.
• idolumAn insubstantial image; a spectre or phantom.
• IdomeneusA male given name.
• idoneousappropriate; suitable
• i.e.That is, namely, in other words, that is to say.
• -ificCreating or causing something.
• if you want peace, prepare for warVisibly preparing for a fight can deter one's enemies from opening hostilities, by not giving the appearance of an easy target.
• ignescentEmitting sparks of fire when struck with steel; scintillating.
• igni-Related to fire.
• ignicolistA worshiper of fire.
• igniferousProducing fire
• ignifluousFlowing with fire.
• ignigenousigneous
• ignipotentfiery, or having control over fire.
• ignitegiumA curfew bell.
• ignivomousThrowing out fire, as a volcano does.
• ignobilityThe state or condition of being ignoble.
• ignorantia juris non excusatIgnorance of the law is not a valid excuse.
• ignoratio elenchiThe fallacy of presenting an argument that may or may not be logically valid, but fails to address the issue in question.
• ignosciblepardonable
• ignoteunknown
• ignotum per ignotiusAn attempt to explain something obscure in terms of something else which is even more obscure.
• IguviumGubbio (a city in Umbria).
• il-not; a form of the prefix in-, used before l
• -ileTending to, or capable of.
• ilicic acidAn acid derived from various plants, such as the holly (Ilex).
• illapseA gliding in; an immission or entrance of one thing into another.
• illaqueableCapable of being ensnared or entrapped.
• illaqueateTo grab; seize, or catch.
• illaqueationTrapping or entangling someone or something in a noose, snaring; hanging.
• illationThe act of inferring or concluding, especially from a set of premises; a conclusion, a deduction.
• illecebrousTending to attract; enticing.
• illeismThe practice of (excessively) referring to oneself in the third person.
• illeistSomeone who refers to themselves in the third person.
• illeityAn external embodiment of the self.
• illibertySynonym of unfreedom.
• illiciumThe modified dorsal fin on the head of anglerfish, acting as a lure.
• illinitionThe act of smearing or rubbing in or on.
• illiquationThe melting or dissolving of one thing into another.
• illisionThe act of dashing or striking against.
• illocutionThe aim of a speaker in making an utterance as opposed to the meaning of the terms used.
• illudeTo give a false impression to.
• illutationThe act of smearing the body with mud, especially with the sediment from mineral springs; a mud bath.
• i longaSynonym of long i (“tall variant of letter i”).
• im-Expressing negation; not.
• imaginantimagining; conceiving, or imaginative
• imaginatorOne who imagines.
• imagologyThe study of cultural stereotypes as presented in literature etc.
• imbatA type of dry north wind which blows in the eastern Mediterranean.
• imbellicNot warlike or martial.
• imbonityLack of goodness.
• imbrexA roof tile common in Ancient Greek and Roman architecture, used in an overlapping formation with the tegula.
• imitancyTendency to imitation.
• imitatrixA female imitator.
• immanationA flowing or entering in.
• immaneVery large; huge; vast.
• immanityGreat size; enormousness, hugeness.
• immeabilityInability to pass through or to permit passage.
• immemorableThat cannot be remembered or has been forgotten.
• immergeTo plunge (something) into, under, or within anything, especially a fluid; to immerse, to dip.
• immeritousundeserving
• imminutionreduction; lessening; decrease.
• immissionThe act of immitting; injection or infusion.
• immitTo send in, put in, insert, inject or infuse
• immoderancyLack of moderation; excess.
• immolatorOne who offers in sacrifice.
• immundunclean or impure
• immutateunchanged
• immutationchange (alteration, mutation, modification)
• immuteTo change or alter.
• impacableimplacable (unable to be appeased)
• impaludismA diseased state affecting the inhabitants of paludal, marshy areas.
• impanationThe actual, substantial presence of the body of Christ with the bread and wine of the sacrament of the Lord's Supper — as opposed to transubstantiation.
• impanatorOne who holds the doctrine of impanation.
• imparidigitateHaving an odd number of fingers or toes.
• imparipinnatepinnate with a single leaflet at the apex