na-adjective, noun
proficient; skilled; accomplished
Describes a high level of skill or competence in a particular area. Often used as a な-adjective. Note: the reading たんのう is more common for this meaning, but かんのう is also used.
See also: 堪能 (たんのう)
彼は英語に堪能だ。
He is proficient in English.
彼女はピアノに堪能で、コンクールで入賞した。
She is skilled at the piano and won a prize in the competition.
noun, na-adjective
patience; perseverance; fortitude
Original Buddhist meaning, now rare. Refers to the ability to endure hardship or remain patient. In modern contexts, the reading たんのう is more common for this sense as well.
仏教では、堪能は重要な徳目の一つとされる。
In Buddhism, patience is considered one of the important virtues.