godan verb (-mu), transitive verb
Formal or literary term for feeling jealous or envious of someone. Often used in written language or elevated speech. Compare with 妬む (ねたむ), which is more common in everyday usage.
See also: 妬む (ねたむ)
彼は同僚の成功を嫉んだ。
He was jealous of his colleague's success.
人の幸せを嫉むのはよくない。
It is not good to envy others' happiness.