| Word | Explanation | |
|---|---|---|
| jejune | Naive, simplistic, and superficial | |
| jingoism | Extreme patriotism, especially in the form of aggressive or warlike foreign policy | |
| jocose | Playful or humorous. | |
| juxtapose | To place or deal with close together for contrasting effect | |
| kindle | To start a fire; to begin to burn | |
| kindred | One's family and relations | |
| kismet | Fate or destiny | |
| kowtow | Act in an excessively subservient manner | |
| lachrymose | Tearful or given to weeping | |
| lackadaisical | Lacking enthusiasm and determination; carelessly lazy | |