의성어 (uiseongeo) are words that imitate natural sounds (Onomatopoeia).
See also 의태어 (uitaeeo) which refers to Korean mimetic words, 의태어 mimics actions, feelings, or visual effects.
| Human Sounds | 깔깔 (kkalkkal) | Loud laughter |
| 냠냠 (nyamnyam) | Eating sound (yum-yum) |
| 쩝쩝 (jjeopjjeop) | Chewing sound |
| 두근두근 (dugeundugeun) | Heart beating fast |
| 쉿 (swit) | “Shh!” (Hushing sound) |
| 쏙닥쏙닥 (ssokdakssokdak) | Whispering |
| 아야 (aya) | “Ouch!” (Pain sound) |
| 앗 (at) | “Oops!” (Surprise sound) |
| 엉엉 (eongeong) | Crying loudly |
| 짝짝짝 (jjakjjakjjak) | Clapping sound |
| Animal Sounds | 개굴개굴 (gaegulgaegul) | Frog croaking |
| 구구 (gugu) | Pigeon cooing |
| 까악까악 (kkaakkkaak) | Crow cawing |
| 꼬끼오 (kkokkio) | Rooster crowing |
| 꿀꿀 (kkulkkul) | Pig oinking |
| 멍멍 (meongmeong) | Dog barking |
| 부엉부엉 (bueongbueong) | Owl hooting |
| 붕붕 (bungbung) | Bee buzzing |
| 삐약삐약 (ppiyakppiyak) | Chick chirping |
| 야옹 (yaong) | Cat meowing |
| Impact Sounds | 꽝 (kkwang) | Loud crash or bang |
| 쾅 (kwang) | Thump of something dropping |
| 쨍그랑 (jjaenggeurang) | Glass breaking |
| 뚝딱뚝딱 (ttukttakttukttak) | Hammering sound |
| 꽈당 (kkwadang) | Falling or bumping into something |
| 콰당 (kwadang) | Something breaking or shattering |
| Water Sounds | 퐁당 (pongdang) | Something heavy falling into water |
| 철썩 (cheolseok) | Waves crashing |
| 주룩주룩 (jurukjuruk) | Heavy rain pouring |
| 똑똑 (ttokttok) | Water dripping |
| Machine & Object Sounds | 따르릉 (ttareureung) | Telephone ringing |
| 빵빵 (ppangppang) | Car horn honking |
| 딩동 (dingdong) | Doorbell ringing |
| 칙칙폭폭 (chikchikpokpok) | Train sound |
| Footstep Sounds | 터벅터벅 (teobeokteobeok) | Slow, tired walking |
| 사뿐사뿐 (sappunsappun) | Light, graceful walking |
| 후다닥 (hudadak) | Running quickly |
| Weather Sounds | 윙윙 (wingwing) | Wind blowing |
| 번쩍번쩍 (beonjeokbeonjeok) | Lightning flashing |
| Miscellaneous Sounds | 콜록콜록 (kollokkollok) | Coughing sound |
| 찰칵 (chalchak) | Camera shutter sound |
| 쪽 (jjok) | Kiss sound |
| 후루룩 (hururuk) | Slurping noodles |
| 땡땡 (ttaengttaeng) | Bell ringing |