Translation guide
The state of being whole, having all necessary parts, or being fully finished. In Japanese, this concept is expressed through nouns, adjectives, and verbs that emphasize totality, perfection, or lack of omission.
Describing something that has all its parts or is not lacking anything.
The most common and versatile word for 'completeness' or 'perfection'. Used for both physical and abstract things.
Is this document complete?
A complete solution has not been found yet.
Emphasizes flawlessness or perfection, often used for performance, preparation, or condition.
His Japanese is perfect (complete/flawless).
A more formal or technical term for 'completeness', often used in academic or philosophical contexts.
Ensure the completeness of the data.
Indicating that nothing is missing; a set or collection is full.
Used when all items of a set are present. Often used for physical objects, documents, or members.
Are all the necessary documents complete (all present)?
Let's start once all members are here (complete).
Emphasizes that everything is present. More explicit than 揃っている alone.
Used for facilities, equipment, or features being fully equipped or provided. Common in real estate or product descriptions.
Describing a task, process, or work that is done and nothing remains.
Used for the completion of a task, process, or action. Often used in formal or technical contexts.
The work is complete.
Used for the completion of a creation, such as a building, artwork, or project. Emphasizes the result.
Means 'end' or 'finish', often used for events, periods, or processes. Less about wholeness, more about termination.
Referring to the abstract idea of being complete, often in philosophy, logic, or systems.
The standard term for the abstract property of completeness, especially in mathematics, logic, or formal systems.
This theorem proves the completeness of the system.
Used in logic or philosophy to mean 'completeness' in the sense of sufficiency or adequacy. Rare outside academic contexts.
Examine the completeness of the logical system.
完全 (kanzen) means 'complete' in the sense of having all parts or being whole. 完璧 (kanpeki) means 'perfect' and implies flawlessness. Use 完全 for checklists or sets, and 完璧 for performance or quality.
The documents are complete (nothing missing).
His performance was perfect.
English '-ness' nouns often do not translate directly into Japanese. Instead of trying to say 'the completeness of X', use adjectives like 完全な or verbs like 揃っている depending on context. For abstract discussions, 完全性 is acceptable but can sound technical.
Please check that all the parts are complete (all present).
This apartment has complete security (fully equipped).
Please wait until the download is complete.
新しい橋が完成した。
The new bridge is complete.
会議は終了しました。
The meeting is complete (has ended).