- imprecision
- insolvancy
- inendurance
- infinity
- impregnated with' as
- insomnia
- in a critical state
- immensely rich
- inanimation
- immenseness
- insufficiency
- impecuniousness
- infrequency
- in comprison with
- inadequate pervasion or extent (as of a definition)
- indispositon
- installed on the throne
- inanition
- instrumental conditioning
- inner light
- incisiveness
- invidious
- infertility
- inerrancy
- impasse
- iphigenia
- in a new light
- indigestible
- immune
- insurance
- insurance policy
- indenture
- intertwined
- insignificant
- inlaying
- inlet manifold
- incurved
- in_basket
- idiolect
- internal angle
- incidence angle
- interior angle
- imprest
- internal maxillary artery
- inferior planet
- instantiation
- internal reproductive organ
- interim overhaul
- investment banker
- investment letter