ISEE & SSAT vocabulary words starting with J

13 words from the 1,500-word ISEE and SSAT deck, each with its meaning. Open a word for example sentences, synonyms and antonyms.

jaded adjective — tired or bored, especially from overuse
jagged adjective — having rough, sharp, uneven edges
jaunty adjective — cheerful and self-confident in manner or appearance
jeer verb — to mock or taunt someone rudely, often in a group
jejune adjective — dull, immature, or overly simplistic
jittery adjective — nervous and unable to keep still
jocular adjective — fond of joking, playfully humorous
jovial adjective — cheerful and friendly
jubilant adjective — feeling or expressing great happiness and triumph
judicious adjective — showing good judgment
juggernaut noun — a huge, powerful, and overwhelming force
juncture noun — a particular point in events, especially one requiring a decision
juxtapose verb — to place side by side for contrast