Translation guide
The concept of accuracy in Japanese is expressed through words that emphasize precision, correctness, or exactness. The most common and versatile term is 正確さ (seikaku-sa), but other options like 精度 (seido) and 的確さ (tekikaku-sa) are used in specific contexts such as measurements, predictions, or hitting a target.
Expressing that something is free from mistakes or errors, or conforms to a standard or truth.
The most common and versatile noun for 'accuracy' in the sense of correctness, precision, and being error-free. Used for information, calculations, translations, etc.
Please check the accuracy of this translation.
The accuracy of the data is most important.
Similar to 正確さ, but slightly more formal and often used in technical or official contexts. Interchangeable in many cases.
We need to improve the accuracy of the report.
Refers to precision or degree of accuracy, often used for measurements, instruments, or statistical data. Implies a quantitative aspect.
The accuracy of this watch is very high.
To increase the accuracy of the experiment, we measured many times.
Expressing that an action, statement, or prediction is exactly right, on point, or hits the mark.
Emphasizes aptness, appropriateness, and being exactly right for the situation. Often used for judgments, advice, or shooting accuracy.
His advice always lacks accuracy (aptness).
To improve the accuracy of one's shots.
Literally 'hit rate', used for the accuracy of predictions, forecasts, or guesses.
Expressing that a reproduction or representation is faithful to the original.
Means faithfulness or fidelity, used when accuracy means being true to the original, such as in translations, reproductions, or descriptions.
This movie lacks accuracy (fidelity) to the original work.
Means strictness or exactness, often used for scientific or mathematical accuracy where no deviation is allowed.
It's a task that requires accuracy (strict exactness).
正確さ (seikaku-sa) is general correctness. 精度 (seido) is precision/degree of accuracy, often for measurements. 的確さ (tekikaku-sa) is aptness or being on point. Use 正確さ for most situations; use 精度 for technical precision; use 的確さ for judgments or hitting a target.
The loanword アキュラシー (akyurashī) exists but is very rare and technical. It is not used in everyday Japanese. Stick to native terms.
We need to check the accuracy of the information.
The accuracy of this scale is within 0.1 grams.
He threw the ball with great accuracy.
What is the accuracy rate of the weather forecast?
Specifically refers to the accuracy of hitting a physical target, such as in shooting or military contexts.
The accuracy of the missiles has improved.