Translation guide
The English word "robust" has several related meanings: physically strong and healthy, sturdy and well-made, vigorous and forceful, or full-bodied (as of flavor). This guide helps learners choose the most natural Japanese expression for each nuance.
Describing a person or animal that is strong, healthy, and full of vitality.
Commonly used for a sturdy, robust physique. Often implies a solid, unyielding build.
彼は頑丈な体をしている。
He has a robust body.
Emphasizes a vigorous, muscular, and energetic robustness. Often used for a strong, healthy appearance.
A somewhat formal term meaning robust health and strength. Often used in medical or descriptive contexts.
Describes a stocky, solid, and robust build. Often used for a person's frame.
Describing an object, machine, or system that is strong, durable, and unlikely to break or fail.
Describing an action, effort, or process that is strong, energetic, and full of vitality.
Describing a flavor or taste that is rich, strong, and full-bodied.
A common phrase meaning 'has body/richness'. Used for robust flavor in food and drinks.
このワインはコクがあって美味しい。
This wine is robust and delicious.
The English word 'robust' covers many nuances. Direct translation as ロバスト is rarely used outside technical IT contexts (e.g., robust algorithm). For everyday use, choose the appropriate Japanese word based on what is being described.
Both mean sturdy/robust, but 頑丈 implies a heavier, more solid robustness, while 丈夫 is more about durability and resistance to wear. 頑丈 is often used for large, heavy objects; 丈夫 for everyday items like clothes or shoes.
彼女は病気ひとつしない頑丈な女性だ。
She is a robust woman who never gets sick.
たくましい若者たちが山を登っていた。
Robust young people were climbing the mountain.
強健な体を持つことが大切だ。
It is important to have a robust body.
がっしりした体格の選手だ。
He is an athlete with a robust build.
The most common word for robust objects. Implies physical toughness and durability.
この机は頑丈で長持ちしそうだ。
This desk is robust and seems like it will last a long time.
A more formal or technical term for robust construction, often used for buildings, software, or systems.
堅牢なセキュリティシステムを構築した。
We built a robust security system.
Everyday word for durable and strong. Slightly less intense than 頑丈, but very common.
この靴は丈夫で履きやすい。
These shoes are robust and comfortable.
Means firm, solid, and robust. Often used for abstract things like systems, foundations, or relationships.
強固な基盤の上に会社を築いた。
He built the company on a robust foundation.
Literally 'powerful', used for robust efforts, growth, or movements that convey strength and energy.
経済の力強い成長が期待されている。
Robust economic growth is expected.
Means lively, active, and vigorous. Often used for robust activity, discussion, or market.
会議では活発な議論が交わされた。
A robust discussion took place at the meeting.
Describes robust appetite, curiosity, or vitality. Often used in set phrases like 旺盛な食欲 (robust appetite).
彼は旺盛な好奇心を持っている。
He has a robust curiosity.
Means rich and thick in flavor. Often used for robust, heavy tastes like rich chocolate or full-bodied soup.
濃厚なチョコレートケーキを食べた。
I ate a robust chocolate cake.
A sophisticated term for mellow richness, often used for wine, sake, or coffee. Implies a refined robust flavor.
芳醇な香りのコーヒーを楽しんだ。
I enjoyed a robustly aromatic coffee.
The company showed robust growth last quarter.