塞
sāi
to stuff; to squeeze in
Every meaning
sāi
- to stuff; to squeeze in
- stopper; cork (as in 塞子)
sài
- strategic pass; frontier fortress (as in 要塞)
sè
- (used in 闭塞, 堵塞) to block; to obstruct
Words with 塞
Meanings are from Mandarin The Wild’s own dictionary. Levels follow the official HSK word list (the exam’s 2025 syllabus, levels 7–9 shown together).