Translation guide
How to express that something is additional, extra, or provided to complete or enhance something else.
Describing something that is added to what already exists, often to make it complete or better.
The most direct equivalent for 'supplementary' when referring to information, explanations, or materials that fill in gaps or add details.
補足の資料を配布します。
I will distribute supplementary materials.
補足の説明が必要ですか?
Do you need a supplementary explanation?
Referring to dietary supplements, vitamins, or additional food items.
In geometry, two angles that add up to 180 degrees.
The technical term for supplementary angles. Used in math contexts.
Means 'additional' and is very common. It can be used for supplementary items, but it emphasizes the act of adding rather than completing.
追加の情報をお送りします。
I will send you supplementary information.
Used for items that come attached or included, like supplementary documents or accessories. Often implies something physically accompanying a main item.
付属の説明書をご覧ください。
Please refer to the supplementary manual.
The standard loanword for dietary supplements. Widely understood.
毎日サプリメントを飲んでいます。
I take supplements every day.
A more formal term for nutritional supplements. Often seen on product labels.
これは栄養補助食品です。
This is a dietary supplement.
この二つの角は補角です。
These two angles are supplementary.