13-letter words containing a, r, i, s
- infomediaries — Plural form of infomediary.
- informalities — Plural form of informality.
- informercials — Plural form of informercial.
- infraposition — A situation or position beneath.
- infrared star — a star radiating strongly in the infrared portion of the electromagnetic spectrum.
- infrascapular — (anatomy) Beneath the scapula.
- infraspecific — of or relating to a subdivision of a species, as a subspecies, variety, or cultivar.
- inner sanctum — sanctum (def 2).
- inobservation — lack of observation
- inquisitorial — of or relating to an inquisitor or inquisition.
- inscriptional — Of or pertaining to inscription.
- inspectorates — Plural form of inspectorate.
- inspirational — imparting inspiration.
- instructional — the act or practice of instructing or teaching; education.
- instrumentals — Plural form of instrumental.
- insubordinate — not submitting to authority; disobedient: an insubordinate soldier.
- insupportable — not endurable; unbearable; insufferable: insupportable pain.
- insupportably — In an insupportable manner.
- insusurration — (obsolete) The act of whispering into something.
- integral test — the theorem that a given infinite series converges if the function whose value at each integer is the corresponding term in the series is decreasing, tends to zero, and results in a finite number when integrated from one to infinity.
- inter-assured — to make (a future event) sure; ensure: This contract assures the company's profit this month.
- interest rate — amount added to money borrowed
- interglacials — Plural form of interglacial.
- interiorscape — An installation of plants decorating the inside of a building.
- intermediates — Plural form of intermediate.
- intermodalism — pertaining to or suitable for transportation involving more than one form of carrier, as truck and rail, or truck, ship, and rail.
- intermuscular — of or relating to muscle or the muscles: muscular strain.
- internalising — Present participle of internalise.
- interoperates — Third-person singular simple present indicative form of interoperate.
- interosculant — Mutually touching or intersecting.
- interosculate — to interpenetrate; inosculate.
- interpersonal — of or pertaining to the relations between persons: He has strong interpersonal skills.
- interpilaster — a space between two pilasters
- interpleaders — Plural form of interpleader.
- interrogators — Plural form of interrogator.
- interscapular — between the scapulae or shoulder blades.
- intersexually — In an intersexual way.
- intersidereal — interstellar
- intersocietal — noting or pertaining to large social groups, or to their activities, customs, etc.
- interstellary — interstellar
- interstitials — Plural form of interstitial.
- interstratify — to lie in interposed or alternate strata.
- intracapsular — Within a capsule.
- intradistrict — Within a single district.
- intramuscular — located or occurring within a muscle.
- intransigeant — intransigent
- intransigence — the state or quality of being intransigent, or refusing to compromise or agree; inflexibility: No agreement was reached because of intransigence on both sides.
- intransigency — a person who refuses to agree or compromise, as in politics.
- intrapersonal — existing or occurring within the self or within one's mind: People with high intrapersonal intelligence are aware of their strengths and weaknesses. Intrapersonal conflict can lead to emotional stress.
- intrapreneurs — Plural form of intrapreneur.