| 1 | 密切 | 密切 | mì qiè | mi4 qie4 | close; familiar; intimate; closely (related); to foster close ties; to pay close attention | | |
| 2 | 密度 | 密度 | mì dù | mi4 du4 | density; thickness | | |
| 3 | 密 | 密 | mì | mi4 | secret; confidential; close; thick; dense; surname Mi; name of an ancient state | | |
| 4 | 密集 | 密集 | mì jí | mi4 ji2 | concentrated; crowded together; intensive; compressed | | |
| 5 | 密林 | 密林 | mì lín | mi4 lin2 | jungle | | |
| 6 | 密封 | 密封 | mì fēng | mi4 feng1 | to seal up | | |
| 7 | 密码 | 密碼 | mì mǎ | mi4 ma3 | secret code; ciphertext; password; PIN | | |
| 8 | 密布 | 密布 | mì bù | mi4 bu4 | to cover densely | | |
| 9 | 密恐 | 密恐 | mì kǒng | mi4 kong3 | trypophobia (abbr. for 密集恐惧症 ) | | |
| 10 | 密集恐惧症 | 密集恐懼症 | mì jí kǒng jù zhèng | mi4 ji2 kong3 ju4 zheng4 | trypophobia | | |
| 11 | 密缝 | 密縫 | mì féng | mi4 feng2 | tight seam; to calk | | |
| 12 | 密封胶 | 密封膠 | mì fēng jiāo | mi4 feng1 jiao1 | sealant; sealing glue | | |
| 13 | 密封辐射源 | 密封輻射源 | mì fēng fú shè yuán | mi4 feng1 fu2 she4 yuan2 | sealed radiation source | | |
| 14 | 密函 | 密函 | mì hán | mi4 han2 | secret letter | | |
| 15 | 密封舱 | 密封艙 | mì fēng cāng | mi4 feng1 cang1 | sealed compartment | | |
| 16 | 密合 | 密合 | mì hé | mi4 he2 | close-fitting; tightly sealed | | |
| 17 | 密度计 | 密度計 | mì dù jì | mi4 du4 ji4 | density gauge | | |
| 18 | 密度波 | 密度波 | mì dù bō | mi4 du4 bo1 | density wave | | |
| 19 | 密电 | 密電 | mì diàn | mi4 dian4 | coded telegram; secret telegram | | |
| 20 | 密宗 | 密宗 | mì zōng | mi4 zong1 | Vajrayana; Tantric Buddhism; tantra | | |
| 21 | 密不可分 | 密不可分 | mì bù kě fēn | mi4 bu4 ke3 fen1 | inextricably linked (idiom); inseparable | | |
| 22 | 密闭式循环再呼吸水肺系统 | 密閉式循環再呼吸水肺系統 | mì bì shì xún huán zài hū xī shuǐ fèi xì tǒng | mi4 bi4 shi4 xun2 huan2 zai4 hu1 xi1 shui3 fei4 xi4 tong3 | closed-circuit rebreather scuba (diving) | | |
| 23 | 密闭门 | 密閉門 | mì bì mén | mi4 bi4 men2 | airtight door | | |
| 24 | 密闭货舱 | 密閉貨艙 | mì bì huò cāng | mi4 bi4 huo4 cang1 | sealed cabin | | |
| 25 | 密闭 | 密閉 | mì bì | mi4 bi4 | sealed; airtight | | |