juberous

Doubtful; undecided; hesitating.

Juno

A woman of stately bearing and beauty.

jurisprude

One who flaunts legal knowledge or is excessively preoccupied with the nuances of law.

juxtapositive

Relating to placing side by side.

kairos

The right time for taking an action; a decisive moment.

keel

1. The beam along the length of the base of a ship or boat on which the frame is built.

Kentish cousins

Distant relatives.

Kentish fire

Prolonged cheering.

kersey

Plain; simple.

keystone cop

An incompetent bungling person, especially a police officer.

King Kong

Something or someone of great size, strength, etc.

Klondike

A rich source of something valuable.

kneecap

A small, flat, triangular bone that covers the front of the knee.

know-it-all

One who acts as if they know everything, dismissing othersโ€™ ideas or advice.

korero

A meeting, discussion, conversation, or storytelling session.

kurbash or kourbash

A whip, especially one made of hippopotamus or rhinoceros hide.

lachrymogenic

Inducing tears.

lackadaisical

Lacking enthusiasm; indifferent; lazy.

lackwit

One who lacks intelligence.

Laputan

Absurdly fanciful or impractical.

lardy-dardy

Pretentious; affected; dandyish.

larp

A role-playing game in which participants assume various characters and use costumes and props.

laureate

Having special distinction or recognition in a field.

lave

Residue or remainder.

lawfare

The use of the legal system to overwhelm an opponent.

lead balloon

A complete failure.

legionnaire

A member of a legion (a group of soldiers or former soldiers).

lei

A garland, typically made of flowers, or leaves, shells, nuts, feathers, etc.

lentic

Relating to or living in still water.

lentitude

Slowness or sluggishness.

leptodactylous

Having slender fingers or toes.

lexiphanic

Using pretentious words and language.

lickety-split

At great speed.

limnophilous

Fond of or living in inland bodies of water such as lakes, pools, etc.

lipography

The omission of a letter or syllable in writing.

listicle

An article or other piece of writing structured in the form of a list.

lithophone

Any of various musical instruments in which sound is produced by striking pieces of stone.

littoral

Relating to or situated at the shore.