Traditional: 孤獨
孤独 (gū dú) means “lonely; solitary”. It is an HSK 6 Chinese word (traditional 孤獨) in the HSK 3.0 vocabulary.
老人感到很孤独。
Lǎorén gǎndào hěn gūdú.
The old man feels very lonely.
Updated: 2026-05-27