信頼性（しんらいせい、shinraiseい）
- reliability

The word 信頼性 (shinnraisei) means "reliability," "trustworthiness," or "credibility." It refers to the quality of being dependable, consistent, and capable of being trusted. It implies that something, such as a person, a product, a system, or information, can be relied upon to perform as expected or to be truthful. 信頼性 is a noun.

⚫︎ この製品の信頼性が高い。 Translation: This product has high reliability. ⚫︎ 彼は仕事の信頼性がある。 Translation: He is reliable at work. ⚫︎ 情報源の信頼性を確かめる必要がある。 Translation: It is necessary to confirm the reliability of the information source.

You can use 信頼性 in various contexts, such as: ⚫︎ Describing the dependability of a product or service. ⚫︎ Evaluating the trustworthiness of a person or source of information. ⚫︎ Discussing the consistency and accuracy of data or systems. ⚫︎ When you want to emphasize that something can be relied upon.

信頼性 is written in kanji and hiragana: 信頼性. ⚫︎ 信頼 (shinrai) means "trust" or "reliance." ⚫︎ 性 (sei) is a suffix that indicates "quality," "characteristic," or "nature." There are no other ways to write this word. The okurigana is standard.

⚫︎ 信用性 (shinyousei) - Credibility, trustworthiness ⚫︎ 確実性 (kakujitsusei) - Certainty, reliability ⚫︎ 信頼度 (shinraido) - Degree of reliability/trust ⚫︎ 頼りになる (tayori ni naru) - Reliable, dependable

⚫︎ 不信頼性 (fushinraisei) - Unreliability ⚫︎ 不安定性 (fuanteisei) - Instability ⚫︎ 疑わしさ (utagawashisa) - Doubtfulness

この調査のデータは、信頼性が低いと考えられている。 ・Translation: The data from this survey is considered to have low reliability. ・Explanation: This sentence expresses that the data collected in the survey is not trustworthy or dependable.

新しいソフトウェアの信頼性はまだ検証中です。 ・Translation: The reliability of the new software is still being verified. ・Explanation: This means that the software's dependability is still being tested to ensure it works as expected.

The word 信頼性 is a compound word formed from the verb 信頼 (shinrai), which comes from the kanji characters 信 (shin) meaning "trust" or "believe," and 頼 (rai) meaning "to rely on," and the suffix 性 (sei) which denotes "quality" or "characteristic." Together, they combine to describe the "quality of being trustworthy" or "reliability."