rift | n. [リフト] a shallow area in a waterway; break in friendly relations; narrow fissure in a rock |
rigid | a. [剛性] stiff and unyielding; strict; not flexible |
rigidity | n. [剛性] stiffness; the physical property of being stiff and resisting bending |
rigor | n. [硬直] strictness or severity, as in temperament, action, or judgment; something hard to endure |
riot | n. [暴動] state of disorder involving group violence; rebellion |
rip | v. [リッピング] tear or be torn violently; criticize or abuse forcefully and violently |
roam | v. [ローミング] wander; ramble; stroll |
robust | a. [堅牢] vigorous; full of health and strength; vigorous |
rod | n. [ライバル] stick; a long thin implement made of metal or wood |
roost | n. [ねぐら] a place, such as a branch of a tree, where birds rest or sleep |
rotation | n. [回転] revolution; an act of rotating as if on an axis |
routine | n. [ルーチン] unvarying or habitual method of procedure; occurring at fixed times or predictable intervals |
rugged | a. [堅牢] uneven; rough; very difficult |
ruin | n. [遺跡は] a destroyed person, object, or building; debris |
rumble | v. [唾液] utter or emit low dull sounds; move or proceed with a deep, long, rolling sound |
rustic | a. [素朴な] typical of country life or country people; awkwardly simple and provincial; lacking refinement or elegance |
rustproof | a. [錆] treated against rusting; resistant to rust, oxidation, and corrosion |
saline | a. [敬礼] salty; containing salt; of or relating to chemical salts |
sample | n. [サンプル] a small part of something intended as representative of the whole |
sap | n. [樹液] the liquid that carries food to all parts of a plant; essential bodily fluid |
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