- K-pop :Korean popular music เพลงป้อปแบบเกาหลี
- kaem ling (noun) :(from Thai) monkey cheeks, i.e., areas into which floodwaters can be drained and stored
- kamnan (noun) :the head of a tambon, a group of villages กำนัน
- kangaroo court :whether they have committed a crime or not ศาลเตี้ย
- kaolin :a soft white clay ดินขาว
- kapok (noun) :a soft white material used for filling cushions, soft toys, etc. นุ่น (จากต้นนุ่น)
- karet (noun) :caret; a unit for measuring the weight of diamonds and other precious stones, equal to 200 milligrams กะรัตเพชร
- karma :a belief in Hinduism and Buddhism that the way in which you behaved in past lives affects your present life, and the way in which you behave in this life will affect your future lives กรรม
- kayak :to travel using a kayak, a light canoe in which the part where you sit is covered over เดินทางด้วยเรือแคนูขนาดเล็ก
- kayak :a light canoe in which the part where you sit is covered over เรือแคนูขนาดเล็ก
- keel (noun) :the long piece of wood or steel along the bottom of a ship, on which the frame is built, and which sometimes sticks out below the bottom and helps to keep it in a vertical position in the water กระดูกงู (เรือ)
- keel over (phr v) :(of a ship) to roll on its side
- keen :very interested in an activity สนใจอย่างยิ่ง
- keen :very interested, eager or wanting (to do) something very much สนใจ, ใจจดใจจ่อ
- keen-eyed :someone who is very good at noticing things
- keenly (adv) :in a way that involves strong or deep feelings or awareness
