noun
Bound form; not used as a standalone noun in modern Japanese. Appears in compounds like 囚人 (prisoner) or 囚獄 (prison).
「囚」という字は、刑務所や捕虜を連想させる。
The character 囚 evokes images of prison or captives.
noun, noun, used as a suffix
Suffix use; attaches to nouns to indicate a person held captive, e.g., 戦争囚 (prisoner of war). Rarely used independently.
See also: 囚人 (しゅうじん)
戦争囚の扱いについて国際法で定められている。
The treatment of prisoners of war is stipulated by international law.