melancholy, grief, autumn sadness
哀愁（あいしゅう）、愁い（うれい）、郷愁（きょうしゅう）
melancholy, grief, nostalgia
On-reading (シュウ) is used in compounds; kun-reading (うれ(い)) is used standalone or with okurigana. Appears in many compounds — memorize the key ones rather than the kanji in isolation. Has multiple meanings (melancholy; grief; autumn sadness). Context determines which applies — pay attention in reading passages. This kanji forms verbs/adjectives with okurigana. Practice both the word form and compound forms.
From the JLP Quiz question bank — the word in the form it is actually tested in.
「哀愁漂う」の意味として最も適切なものはどれか。
Answer: もの悲しい雰囲気が漂っている様子
