adjective🔗Shareより硬い、堅い(of an object) Rigid; hard to bend; inflexible."After sitting at the desk for hours, my back felt stiffer than usual. "何時間も机に向かっていた後、背中がいつもより硬く感じた。materialphysicsqualityChat with AIVocabulary GamePractice Reading
adjective🔗Shareより厳格な、より硬直した(of policies and rules and their application and enforcement) Inflexible; rigid."After the recent cheating scandal, the school implemented stiffer penalties for plagiarism. "最近の不正行為スキャンダルの後、学校は盗作に対してより厳格な罰則を導入しました。politicsgovernmentlawChat with AIVocabulary GamePractice Reading
adjective🔗Share堅苦しい, ぎこちない(of a person) Formal in behavior; unrelaxed."My aunt is usually quite relaxed, but at family gatherings she becomes noticeably stiffer, preferring formal conversations to casual ones. "私のおばは普段はとてもリラックスしていますが、家族の集まりでは明らかに堅苦しくなり、カジュアルな会話よりもフォーマルな会話を好みます。attitudecharacterpersonhumanChat with AIVocabulary GamePractice Reading
adjective🔗Shareより厳しい、硬いHarsh, severe."He was eventually caught, and given a stiff fine."彼は最終的に捕まり、より厳しい罰金を科せられた。attitudecharacterqualitymoralChat with AIVocabulary GamePractice Reading
adjective🔗Share凝った, 筋肉痛の(of muscles or parts of the body) Painful as a result of excessive or unaccustomed exercise."My legs are stiff after climbing that hill yesterday."昨日あの丘を登った後、足が凝っています。bodymedicinephysiologysensationChat with AIVocabulary GamePractice Reading
adjective🔗Share強力な、効果的なPotent."a stiff drink; a stiff dose; a stiff breeze."強力な飲み物; 効果的な用量; 強風。medicinebodyChat with AIVocabulary GamePractice Reading
adjective🔗Share故人, 死んだDead, deceased."My grandmother is now stiffer; she passed away last week. "祖母はもう故人です。先週亡くなりました。bodyChat with AIVocabulary GamePractice Reading
adjective🔗Share勃起した(of a penis) Erect."After a long run, his legs were tired, and his penis felt stiffer. "長いランニングの後、彼の足は疲れ、彼のペニスは勃起したように感じた。bodyorgansexphysiologyChat with AIVocabulary GamePractice Reading
adjective🔗Share固い、角が立つ(of whipping cream or egg whites) Beaten until so aerated that they stand up straight on their own."beat the egg whites until they are stiff"卵白が角が立つまで泡立ててください。foodChat with AIVocabulary GamePractice Reading
adjective🔗Share硬いOf an equation: for which certain numerical solving methods are numerically unstable, unless the step size is taken to be extremely small."When simulating the car's suspension system, the equations became stiffer as we increased the spring constant, requiring much smaller time steps in our computer model to get accurate results. "車のサスペンションシステムをシミュレーションする際、バネ定数を上げると方程式が硬くなり、正確な結果を得るためにコンピューターモデルではるかに小さなタイムステップが必要になりました。mathtechnicalcomputingChat with AIVocabulary GamePractice Reading
adjective🔗Share硬直した, まっすぐなKeeping upright."The cardboard I used for the school project was stiffer and didn't bend easily, making my model more stable. "学校のプロジェクトに使った厚紙はより硬く、簡単に曲がらなかったので、私の模型はより安定しました。bodyphysiologyChat with AIVocabulary GamePractice Reading