9-letter words containing s, i, o, n
- insidious — intended to entrap or beguile: an insidious plan.
- insiduous — Misspelling of insidious.
- insitions — Plural form of insition.
- insolated — to expose to the sun's rays; treat by exposure to the sun's rays.
- insolates — Third-person singular simple present indicative form of insolate.
- insolence — contemptuously rude or impertinent behavior or speech.
- insolency — Quality of being insolent.
- insoluble — incapable of being dissolved: insoluble salts.
- insolubly — In an insoluble manner; irresolubly, irresolvably.
- insolvent — not solvent; unable to satisfy creditors or discharge liabilities, either because liabilities exceed assets or because of inability to pay debts as they mature.
- insomniac — a person who suffers from insomnia, the inability, especially when chronic, to obtain sufficient sleep, through difficulty in falling or staying asleep: Her husband, an insomniac, had at last fallen asleep at the computer, head resting on the keyboard.
- insomnias — Plural form of insomnia.
- inspector — a person who inspects.
- instanton — (mathematics, physics) A solution to the imaginary time nonlinear field equation of Yang-Mills field theory; carries information about quantum tunnelling.
- insulator — Electricity. a material of such low conductivity that the flow of current through it is negligible. insulating material, often glass or porcelain, in a unit form designed so as to support a charged conductor and electrically isolate it.
- intaglios — Plural form of intaglio.
- integrous — (rare) Having or characterized by integrity.
- intension — intensification; increase in degree.
- inter nos — between (or among) ourselves
- intercoms — Plural form of intercom.
- interiors — being within; inside of anything; internal; inner; further toward a center: the interior rooms of a house.
- interpose — to place between; cause to intervene: to interpose an opaque body between a light and the eye.
- intorsion — a twisting about an axis or fixed point, as of the stem of a plant.
- intourist — a Russian agency that handles travel arrangements for foreign visitors to the former Soviet Union.
- introitus — (medicine) The entrance to a hollow organ or canal; often specifically the entrance to the vagina.
- intromits — Third-person singular simple present indicative form of intromit.
- intrusion — Law. an illegal act of entering, seizing, or taking possession of another's property. a wrongful entry after the determination of a particular estate, made before the remainderman or reversioner has entered.
- inuendoes — Plural form of inuendo.
- invasions — Plural form of invasion.
- inventors — Plural form of inventor.
- inversion — an act or instance of inverting.
- investors — Plural form of investor.
- invidious — calculated to create ill will or resentment or give offense; hateful: invidious remarks.
- involutes — Plural form of involute.
- ionopause — the transitional zone between the ionosphere and the mesosphere.
- ionosonde — a pulsed radar device used to measure the height of ionospheric layers.
- irisation — the effect or quality of being iridescent; iridescence.
- iron fist — harsh rule
- iron mask — an iron covering for the face, supposedly used in the past to conceal the identity of a well-known prisoner
- iron-sick — noting a wooden hull, fastened with iron, in which chemical interaction between the iron and the wood has resulted in the decay of both; nail-sick.
- ironclads — Plural form of ironclad.
- ironsides — a strong person with great power of endurance or resistance.
- ironsmith — a worker in iron; blacksmith.
- ironstone — any iron-bearing mineral or rock with siliceous impurities.
- ironwoods — Plural form of ironwood.
- ironworks — an establishment where iron is smelted or where it is cast or wrought.
- isandrous — having the stamens similar to each other and equal in number to the petals.
- isanthous — having regular flowers.
- iseikonia — a condition in which a person sees the same image in both eyes
- iseikonic — relating to iseikonia