ideology (en)

(noun) visionary theorizing / (noun) a systematic body of concepts especially about human life or culture / (noun) a manner or the content of thinking characteristic of an individual, group, or culture / (noun) the integrated assertions, theories and aims that constitute a sociopolitical program

idiolect (en)

(noun) the language or speech pattern of one individual at a particular period of life

idoneity (en)

(noun) fitness; suitableness; adequacy

igneous (en)

(adj) of, relating to, or characteristic of fire

imago (en)

(noun) an insect in its final, adult, sexually mature, and typically winged state / (noun) an idealized mental image of another person or the self

imbricated (en)

arranged (scales, sepals, plates, etc.) so that they overlap like roof tiles

imbroglio (en)

an extremely confused, complicated, or embarrassing situation

immanence (en)

philosophical and metaphysical theories of divine presence in which the divine encompasses or is manifested in the material world

immured (en)

(verb) to enclose within or as if within walls / (verb) imprison / (verb) to build into a wall / (verb) to entomb in a wall

impecunious (en)

(adjective) having very little or no money usually habitually; penniless

importunity (en)

(noun) the quality or state of being importunate (i.e., persistent, especially to the point of annoyance)

imprecate (en)

(verb) to invoke evil on; curse / (verb) to utter curses

imputation (en)

the attributing of actions to a source, often involving actions that are criminal; accusation

imputed rent (en)

an estimate in economic theory of the rent a house owner would be willing to pay to live in his or her own house

in foro interno (la)

(law) in the inner court

in nuce (la)

in a nutshell

in prospect (en)

anticipated, expected

in toto (la)

in total

inasmuch (en)

to the extent that; insofar as

inchoate (en)

just begun and so not fully formed or developed; rudimentary

incommensurability (en)

having no common measure; origins in ancient Greek mathematics and popularised by philosopher Thomas Kuhn

inculpate (en)

(verb) incriminate

indelibly (en)

in a way that cannot be removed or forgotten

indigent (en)

(adjective) suffering from extreme poverty; impoverished / (adjective) deficient / (adjective) totally lacking in something specified

inditement (en)

referring to the verb "indite", which means to compose or write, or to treat in a literary composition