Translation guide
Describes something physically hard, stable, and not easily moved or changed; also used figuratively for plans, beliefs, or foundations that are reliable and strong.
Describing an object or surface that is not soft, does not bend, and feels solid.
General word for hard, firm, or solid. Can describe objects, food, or even a firm handshake.
This bed is firm and comfortable to sleep on.
We pitched the tent on firm ground.
Emphasizes sturdiness and reliability; often used for well-built objects or structures.
This desk is solidly built.
Formal or literary term for solid, firm, or robust, often used for fortifications or structures.
Solid castle walls protected the town.
Describing something that is fixed in place, steady, and does not wobble.
Means stable, steady, or firmly established. Used for physical stability as well as abstract things like economy or emotions.
This tripod is very firm and solid.
Build a house on a firm foundation.
Describes something thick, sturdy, and solidly built, like a person's build or a heavy piece of furniture.
A man with a firm and solid build.
Literally 'immovable'; used for something that cannot be shaken, like a firm resolve or an unshakable position.
His determination was firm and solid.
Describing abstract things like agreements, facts, or convictions that are certain and trustworthy.
Means firm, steadfast, or unshakable, often used with words like belief, determination, or evidence.
Without firm and solid evidence, we cannot prosecute.
He has firm and solid convictions.
Also used figuratively for reliable, sound, or solid plans, ideas, or people.
Let's make a firm and solid plan.
Means sound, steady, and reliable, often used for financial matters or a person's character.
Make a firm and solid investment.
固い (katai) focuses on hardness to the touch. しっかりした (shikkari shita) emphasizes structural integrity and reliability. 安定した (antei shita) highlights stability and balance, often used for systems or conditions.