落后 luò hòu
“to fall behind; to lag (in technology etc); backward”
adjective, adjective / nounHSK 5 · 2021 list level 3Traditional 落後
新HSK等级2025 HSK 3.0 syllabus level
落后 appears in the November 2025 exam syllabus in the following numbered entry. Levels refer to the listed reading and use, not every meaning.
- Entry 4482: 落后 luòhòu — Level 6; official annotation 6 (动、形). PDF page 192
Separate from the HSK 2.0 and 2021 list labels above. Compare the three lists.