Cool Words That Start With K (With Definitions)

This list of cool words that start with K show just how unique the English language can be.

Whether you’re a writer, a Scrabble enthusiast, or simply a lover of language, discovering new and interesting words is always fun.

We’ve compiled a list of cool words that start with K, featuring a diverse range of vocabulary that is sure to spark your creativity.

cool words that start with k

Cool Words That Start With K

Kaddish: a Jewish prayer of mourning and remembrance, often recited in memory of a deceased loved one.

Kaleidoscope: a tube containing mirrors and loose colored pieces of glass or plastic, reflecting light in various patterns.

Kaleidoscopic: characterized by constantly changing patterns or colors; ever shifting.

Karma: the sum of a person’s actions in this and previous states of existence, viewed as deciding their fate in future existences.

Karyotype: the complete set of chromosomes in a cell or organism, arranged in a standard order and displayed visually.

Kawaii: a Japanese term meaning “cute” or “adorable,” often used to describe popular culture items such as anime, manga, or fashion.

Keen: having or showing eagerness or enthusiasm; intense or sharp.

Kelp: large, brown seaweed that grows in cool waters, often used for food or fertilizer.

Kerfuffle: a commotion or fuss, especially one caused by conflicting views.

Kerplunk: a sound made by something falling heavily or hitting the ground with a thud.

Keynote: the fundamental or central idea; the main theme.

Khaki: a light brown or yellowish-green color, often used to describe military uniforms or clothing.

Kibitz: to offer unwanted advice or commentary, typically at a card game.

Kibitzer: a person who offers unsolicited advice or commentary, particularly at a card game.

Kibosh: to put an end to or halt something; to restrain or restrict.

Kickshaw: a fancy but insubstantial dish; a trinket or bauble.

Kilimanjaro: the highest mountain in Africa, located in Tanzania.

Kilter: in good condition or working order; balanced or aligned correctly.

Kindle: to light a fire or set something on fire; to arouse or inspire.

Kindred spirit: a person who shares similar interests, attitudes, or values with another; someone with whom one has a natural connection or affinity.

Kindred: having similar origin, nature, or character; related or akin.

Kinetic: relating to motion or movement; active or dynamic.

Kinetoscope: an early motion picture device, consisting of a box with a viewing lens and a reel of film.

Kingpin: the most important or influential person in a group or organization; the central or main component of something.

Kipper: a herring that has been cured by smoking or salting, often eaten for breakfast in the UK.

Kismet: fate or destiny; the idea that events are predetermined by a higher power.

Kith: one’s friends, acquaintances, and relations.

Kitsch: art or other objects that are considered to be in poor taste because of excessive garishness or sentimentality, but sometimes appreciated in an ironic or knowing way.

Kleptomaniac: a person who has a recurrent urge to steal, typically without regard for need or profit.

Klutz: a clumsy, awkward, or foolish person.

Knack: a special skill or talent for doing something; a clever way of doing something.

Knead: to work dough or clay by pressing, folding, and stretching it, typically with the hands.

Knickknack: a small ornament or trinket, typically one that is of little value.

Knightly: chivalrous, honorable, or gallant, often in a medieval or romantic context.

Knockabout: rough and tumble; full of energy and action.

Knockout: a person or thing that is overwhelmingly attractive, impressive, or successful.

Knowledgeable: having or showing knowledge or intelligence; well-informed.

Knurling: a decorative pattern of small, raised ridges or knobs on a surface, often added for grip or aesthetic purposes.

Kooky: odd or eccentric, often in a whimsical or amusing way.

Kowtow: to show excessive respect or deference to someone in authority; to act in a subservient or servile manner.

Kudos: public recognition or praise for an achievement or accomplishment.

Kumquat: a small, tart citrus fruit with a sweet peel, often eaten whole or used in preserves or desserts.


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