| Words | Parts of Speech | Meaning/Definition/Similar Words |
|---|---|---|
| rabble-rout | noun | A tumultuous crowd; a rabble; a noisy throng. |
| racket-tail | noun | Any one of several species of humming birds of the genus Steganura, having two of the tail feathers very long and racket-shaped. |
| rack-renter | noun | One who is subjected to paying rack-rent., One who exacts rack-rent. |
| radiatiform | adjective | Having the marginal florets enlarged and radiating but not ligulate, as in the capitula or heads of the cornflower. |
| radicalness | noun | Quality or state of being radical. |
| radiolarian | adjective | Of or pertaining to the Radiolaria., One of the Radiolaria. |
| railroading | noun | The construction of a railroad; the business of managing or operating a railroad. |
| rallentando | adjective | Slackening; — a direction to perform a passage with a gradual decrease in time and force; ritardando. |
| ramiflorous | adjective | Flowering on the branches. |
| rammishness | noun | The quality of being rammish. |
| rancorously | adverb | In a rancorous manner. |
| rapscallion | noun | A rascal; a good-for-nothing fellow. |
| rapturously | adverb | In a rapturous manner. |
| rarefaction | noun | The act or process of rarefying; the state of being rarefied; — opposed to condensation; as, the rarefaction of air. |
| rascalities | plural | of Rascality |
| raspatorium | noun | See Raspatory. |
| ratiocinate | verb i. | To reason, esp. deductively; to offer reason or argument. |
| rationalism | noun | The doctrine or system of those who deduce their religious opinions from reason or the understanding, as distinct from, or opposed to, revelation., The system that makes rational power the ultimate test of truth; — opposed to sensualism, or sensationalism, and empiricism. |
| rationalist | noun | One who accepts rationalism as a theory or system; also, disparagingly, a false reasoner. See Citation under Reasonist. |
| rationality | noun | The quality or state of being rational; agreement with reason; possession of reason; due exercise of reason; reasonableness. |
| rationalize | verb t. | To make rational; also, to convert to rationalism., To interpret in the manner of a rationalist., To form a rational conception of., To render rational; to free from radical signs or quantities., To use, and rely on, reason in forming a theory, belief, etc., especially in matters of religion: to accord with the principles of rationalism. |
| rattlemouse | noun | A bat. |
| rattlesnake | noun | Any one of several species of venomous American snakes belonging to the genera Crotalus and Caudisona, or Sistrurus. They have a series of horny interlocking joints at the end of the tail which make a sharp rattling sound when shaken. The common rattlesnake of the Northern United States (Crotalus horridus), and the diamond rattlesnake of the South (C. adamanteus), are the best known. See Illust. of Fang. |
| rattlewings | noun | The golden-eye. |
| ravishingly | adverb | In a ravishing manner. |