15-letter words containing s, i, y
- in your dreams! — You say `In your dreams!' when you think that what someone wants is never going to happen or be true.
- in/into ecstasy — If you are in ecstasy about something, you are very excited about it. If you go into ecstasies, you become very excited.
- inaccessibility — not accessible; unapproachable.
- inadmissibility — not admissible; not allowable: Such evidence would be inadmissible in any court.
- incommensurably — In an incommensurable manner; immeasurably.
- inconsiderately — In an inconsiderate manner.
- inconsolability — not able to be comforted or consoled; disconsolate: She was inconsolable when her son died.
- inconspicuously — not conspicuous, noticeable, or prominent.
- indefeasibility — The state or quality of being indefeasible, of being incapable of being defeated.
- indefensibility — The quality or state of not being defensible.
- indigestibility — The state of being indigestible.
- indiscretionary — lack of discretion; imprudence.
- indisputability — The property of being indisputable.
- indissolubility — not dissoluble; incapable of being dissolved, decomposed, undone, or destroyed.
- indistinctively — without distinctive characteristics.
- inefficaciously — Without efficacy or effect.
- inertial system — a frame of reference in which a body remains at rest or moves with constant linear velocity unless acted upon by forces: any frame of reference that moves with constant velocity relative to an inertial system is itself an inertial system.
- infinitesimally — indefinitely or exceedingly small; minute: infinitesimal vessels in the circulatory system.
- inhomogeneously — lack of homogeneity.
- inquisitorially — In an inquisitorial manner.
- insignificantly — Of such extremely small quantity or degree that it is not worth measuring.
- inspirationally — imparting inspiration.
- instantaneously — occurring, done, or completed in an instant: an instantaneous response.
- institutionally — of, relating to, or established by institution.
- instrumentality — the quality or state of being instrumental.
- insubordinately — In an insubordinate manner.
- insubstantially — In an insubstantial manner.
- insurrectionary — of, relating to, or of the nature of insurrection.
- interparoxysmal — occurring in the period or periods between paroxysms.
- interpersonally — of or pertaining to the relations between persons: He has strong interpersonal skills.
- intertwistingly — by intertwisting
- interuniversity — an institution of learning of the highest level, having a college of liberal arts and a program of graduate studies together with several professional schools, as of theology, law, medicine, and engineering, and authorized to confer both undergraduate and graduate degrees. Continental European universities usually have only graduate or professional schools.
- intervisibility — the state or fact of being visible.
- intramuscularly — In an intramuscular manner; within a muscle.
- intransigeantly — intransigently
- intravascularly — Within a blood vessel.
- introspectively — characterized by introspection, the act or process of looking into oneself.
- introspectivity — The quality of being introspective.
- inversion layer — a layer of the atmosphere in which there is a temperature inversion, with the layer tending to prevent the air below it from rising, thus trapping any pollutants that are present.
- ionospherically — by the ionosphere
- irreprehensibly — in an irreprehensible manner
- irresistibility — not resistible; incapable of being resisted or withstood: an irresistible impulse.
- irresolvability — The quality of being irresolvable.
- irreversibility — not reversible; incapable of being changed: His refusal is irreversible.
- island grey fox — a similar and related animal, U. littoralis, inhabiting islands off North America
- isle of sheppey — an island in SE England, off the N coast of Kent in the Thames estuary: separated from the mainland by The Swale, a narrow channel. Chief towns: Sheerness, Minster. Pop: 37 852 (2001 est). Area: 80 sq km (30 sq miles)
- isoamyl acetate — a colorless liquid, C 7 H 14 O 2 , used in flavorings, perfumery, and as a solvent. Compare banana oil (def 1).
- isopropyl ether — a colorless, volatile, flammable, slightly water-soluble liquid, C 6 H 14 O, used chiefly as a solvent for waxes, fats, and resins.
- isopropyl group — the univalent group C 3 H 7 , an isomer of the propyl group.
- isothiocyanates — Plural form of isothiocyanate.