Translation guide
Describes something extremely fine, thin, or of superior quality. In Japanese, this is expressed through specific adjectives and prefixes depending on the context.
extra-fine (thin)
extra-fine (quality)
To describe something like a thread, line, or tip that is exceptionally thin or fine.
Literally 'extremely thin'. Commonly used for threads, pens, noodles, etc.
This pen uses an extra-fine nib.
Adds 'super' for emphasis, often used in product descriptions.
It's a fabric woven with extra-fine thread.
Adjectival form, less common but grammatically possible.
This needle is extra-fine, so it's suitable for thin fabrics.
To describe something like a product, material, or substance that is of the highest quality or purity.
Means 'first-rate' or 'superfine', often used for food, ingredients, or goods.
This tea is of extra-fine quality.
Means 'special grade', used in formal classifications.
Literally 'extremely fine', used for powders or particles.
To describe adjustments, settings, or work that is very fine or meticulous.
Do not use 'エクストラファイン' in Japanese; it is not natural. Use context-appropriate terms like 極細 or 極上.
特級の小麦粉を使っています。
We use extra-fine flour.
Add extra-fine sugar.
Means 'fine-textured' or 'meticulous', often for skin, work, or attention.
Extra-fine work is required.