Honest; straightforward and steady — describing a sincere, plain, and dependable character or attitude.
彼は実直な人柄で、周囲から信頼されている。
He has an honest character and is trusted by those around him.
実直に言えば、その計画にはまだ問題がある。
To be frank (honest), that plan still has problems.
彼女は実直な仕事ぶりで昇進した。
She was promoted because of her steady and honest work.