13-letter words containing r, a, d, i, o, s
- ides of march — 15th March: ominous date
- idiosyncratic — pertaining to the nature of idiosyncrasy, or something peculiar to an individual: The best minds are idiosyncratic and unpredictable as they follow the course of scientific discovery.
- imponderables — Plural form of imponderable.
- inconsiderate — without due regard for the rights or feelings of others: It was inconsiderate of him to keep us waiting.
- indoctrinates — Third-person singular simple present indicative form of indoctrinate.
- infomediaries — Plural form of infomediary.
- insubordinate — not submitting to authority; disobedient: an insubordinate soldier.
- intermodalism — pertaining to or suitable for transportation involving more than one form of carrier, as truck and rail, or truck, ship, and rail.
- isocarboxazid — a potent monoamine oxidase inhibitor, C 12 H 13 N 3 O 2 , used to treat severe depression.
- landownership — an owner or proprietor of land.
- lepidopterans — Plural form of lepidopteran.
- liquid storax — a solid resin with a vanillalike odor, obtained from a small tree, Styrax officinalis: formerly used in medicine and perfumery.
- losing hazard — an unavoidable danger or risk, even though often foreseeable: The job was full of hazards.
- macrodynamics — Large-scale dynamics.
- madre de dios — a river in Peru and Bolivia, flowing E to the Beni River. 900 miles (1450 km) long.
- maladroitness — lacking in adroitness; unskillful; awkward; bungling; tactless: to handle a diplomatic crisis in a very maladroit way.
- mandatoriness — The quality or state of being mandatory.
- measuring rod — ruler, gauge, stick for measuring
- melodramatics — Melodramatic behavior, action, or writing.
- melodramatist — A writer of melodramas.
- miscoordinate — of the same order or degree; equal in rank or importance.
- misdemeanours — Plural form of misdemeanour.
- moderationist — a person who favors, supports, or promotes moderation.
- moderatorship — The position or office of a moderator.
- modernisation — Alternative spelling of modernization.
- morris dancer — A morris dancer is a person who takes part in morris dancing.
- narrow-fisted — tight-fisted.
- neo-darwinism — the theory of evolution as expounded by later students of Charles Darwin, especially Weismann, holding that natural selection accounts for evolution and denying the inheritance of acquired characters.
- nonadsorptive — Not adsorptive.
- nondecreasing — not decreasing.
- nonindustrial — of, pertaining to, of the nature of, or resulting from industry: industrial production; industrial waste.
- old ritualist — Raskolnik.
- onus probandi — the burden of proof.
- ordinal scale — a scale on which data is shown simply in order of magnitude since there is no standard of measurement of differences: for instance, a squash ladder is an ordinal scale since one can say only that one person is better than another, but not by how much
- ordinary loss — An ordinary loss is a loss in the course of normal business.
- orsellic acid — an acid found in lichens
- over-standing — overreach (def 13).
- overdiagnosed — Simple past tense and past participle of overdiagnose.
- overdiagnosis — excessive diagnosis of a disease
- overdramatise — Alternative spelling of overdramatize.
- overestimated — Simple past tense and past participle of overestimate.
- paedomorphism — the continuation of juvenile characteristics in the adult stage
- painted horse — paint (def 6).
- paradise lost — an epic poem (1667) by John Milton.
- parasitoidism — the feeding by certain insect larvae on host tissues such that the host remains alive until larval development is complete and then usually dies.
- patriot's day — the third Monday in April, a legal holiday in Me. and Mass. commemorating the battles of Lexington and Concord (April 19, 1775)
- patriots' day — the anniversary of the battles of Lexington and Concord (1775), celebrated the third Monday in April: a legal holiday in Massachusetts and Maine.
- periodicalist — a writer of articles for periodicals
- perissodactyl — having an uneven number of toes or digits on each foot.
- plasmodiocarp — a fruiting body of certain myxomycetes.