na-adjective, noun
Formal term describing a person of incorruptible honesty and moral rectitude. Often used in literary or official contexts.
彼は廉直な人柄で知られている。
He is known for his upright character.
廉直な政治家は有権者から信頼される。
Politicians of integrity are trusted by voters.
Compound of 廉 (honest, inexpensive) and 直 (straight, direct). The exact historical derivation is uncertain, but the combination conveys the idea of straightforward honesty.