| Words | Parts of Speech | Meaning/Definition/Similar Words |
|---|---|---|
| ribaldrous | adjective | Of a ribald quality. |
| ribaudrous | adjective | Filthy; obscene; ribald. |
| ribbonwood | noun | A malvaceous tree (Hoheria populnea) of New Zealand, the bark of which is used for cordage. |
| rice-shell | noun | Any one of numerous species of small white polished marine shells of the genus Olivella. |
| ricinoleic | adjective | Pertaining to, or designating, a fatty acid analogous to oleic acid, obtained from castor oil as an oily substance, C/H/O/ with a harsh taste. Formerly written ricinolic. |
| ricinolein | noun | The glycerin salt of ricinoleic acid, occuring as a characteristic constituent of castor oil; — formerly called palmin. |
| ridgepiece | noun | Alt. of Ridgeplate |
| ridgeplate | noun | See Ridgepole. |
| ridiculing | present participle & vb. noun | of Ridicule |
| ridiculize | verb t. | To make ridiculous; to ridicule. |
| ridiculous | adjective | Fitted to excite ridicule; absurd and laughable; unworthy of serious consideration; as, a ridiculous dress or behavior., Involving or expressing ridicule. |
| rightfully | adverb | According to right or justice. |
| right-hand | adjective | Situated or being on the right; nearer the right hand than the left; as, the right-hand side, room, or road., Chiefly relied on; almost indispensable. |
| rigidulous | adjective | Somewhat rigid or stiff; as, a rigidulous bristle. |
| rinderpest | noun | A highly contagious distemper or murrain, affecting neat cattle, and less commonly sheep and goats; — called also cattle plague, Russian cattle plague, and steppe murrain. |
| ringleader | noun | The leader of a circle of dancers; hence, the leader of a number of persons acting together; the leader of a herd of animals., Opprobriously, a leader of a body of men engaged in the violation of law or in an illegal enterprise, as rioters, mutineers, or the like. |
| ringmaster | noun | One in charge of the performances (as of horses) within the ring in a circus. |
| ripidolite | noun | A translucent mineral of a green color and micaceous structure, belonging to the chlorite group; a hydrous silicate of alumina, magnesia, and iron; — called also clinochlore. |
| ripplingly | adverb | In a rippling manner. |
| riprapping | present participle & vb. noun | of Riprap |
| risibility | noun | The quality of being risible; as, risibility is peculiar to the human species. |
| ritardando | adjective | Retarding; — a direction for slower time; rallentado. |
| ritornelle | noun | Alt. of Ritornello |
| ritornello | noun | A short return or repetition; a concluding symphony to an air, often consisting of the burden of the song., A short intermediate symphony, or instrumental passage, in the course of a vocal piece; an interlude. |
| rix-dollar | noun | A name given to several different silver coins of Denmark, Holland, Sweden,, NOrway, etc., varying in value from about 30 cents to $1.10; also, a British coin worth about 36 cents, used in Ceylon and at the Cape of Good Hope. See Rigsdaler, Riksdaler, and Rixdaler. |