| 1 | 严重 | 嚴重 | yán zhòng | yan2 zhong4 | grave; serious; severe; critical | | |
| 2 | 严格 | 嚴格 | yán gé | yan2 ge2 | strict; stringent; tight; rigorous | | |
| 3 | 严肃 | 嚴肅 | yán sù | yan2 su4 | solemn; grave; serious; earnest; severe | | |
| 4 | 严 | 嚴 | yán | yan2 | tight (closely sealed); stern; strict; rigorous; severe; father; surname Yan | | |
| 5 | 严密 | 嚴密 | yán mì | yan2 mi4 | strict; tight (organization, surveillance etc) | | |
| 6 | 严厉 | 嚴厲 | yán lì | yan2 li4 | severe; strict | | |
| 7 | 严峻 | 嚴峻 | yán jùn | yan2 jun4 | tight; strict; severe; stern; difficult; grim; severe; rigorous | | |
| 8 | 严寒 | 嚴寒 | yán hán | yan2 han2 | bitter cold; severe winter | | |
| 9 | 严谨 | 嚴謹 | yán jǐn | yan2 jin3 | strict; tight; rigorous; strict; careful; cautious; compact; well-knit | | |
| 10 | 严禁 | 嚴禁 | yán jìn | yan2 jin4 | to strictly prohibit | | |
| 11 | 严控 | 嚴控 | yán kòng | yan2 kong4 | to strictly control (abbr. for 严格控制 ) | | |
| 12 | 严防 | 嚴防 | yán fáng | yan2 fang2 | to take strict precautions; on your guard | | |
| 13 | 严寒酷暑 | 嚴寒酷暑 | yán hán kù shǔ | yan2 han2 ku4 shu3 | bitter cold or torrid heat (idiom) | | |
| 14 | 严格来说 | 嚴格來說 | yán gé lái shuō | yan2 ge2 lai2 shuo1 | strictly speaking | | |
| 15 | 严格来讲 | 嚴格來講 | yán gé lái jiǎng | yan2 ge2 lai2 jiang3 | strictly speaking | | |
| 16 | 严而不苛 | 嚴而不苛 | yán ér bù kē | yan2 er2 bu4 ke1 | strict but not harsh (idiom) | | |
| 17 | 严冬腊月 | 嚴冬臘月 | yán dōng là yuè | yan2 dong1 la4 yue4 | the middle of a bitterly cold winter (idiom) | | |
| 18 | 严冬 | 嚴冬 | yán dōng | yan2 dong1 | severe winter | | |
| 19 | 严岛神社 | 嚴島神社 | yán dǎo shén shè | Yan2 dao3 shen2 she4 | Itsukujima shrine in Hiroshima prefecture, Japan | | |
| 20 | 严岛 | 嚴島 | yán dǎo | Yan2 dao3 | Itsukushima island in Hiroshima prefecture, Japan, with a famous shrine | | |
| 21 | 严打 | 嚴打 | yán dǎ | yan2 da3 | to crack down on; to take severe measures against | | |
| 22 | 严饬 | 嚴飭 | yán chì | yan2 chi4 | to scold; to censure; careful; precise | | |
| 23 | 严惩不贷 | 嚴懲不貸 | yán chéng bù dài | yan2 cheng2 bu4 dai4 | to punish severely (idiom) | | |
| 24 | 严重性 | 嚴重性 | yán zhòng xìng | yan2 zhong4 xing4 | seriousness | | |
| 25 | 严查 | 嚴查 | yán chá | yan2 cha2 | to investigate strictly | | |