1. JAUNTY (ADJECTIVE): expressing cheer and self-assurance
Synonyms: carefree, lively
Antonyms: depressed, unhappy Example Sentence: When harry lost his family in the accident he also lost his jaunty attitude.
2. JEST (NOUN): joke
Synonyms: banter, gag
Antonyms: somber, grieve
Example Sentence: Jake never knew that the remark he made about Jenny in his jest will hurt her feelings.
3. JOSTLE (VERB): to compete for something
Synonyms: struggle, tussle
Antonym: harmonize, co-ordinate Example Sentence: The players started to jostle for the position of the captain as soon as the announcement was made.
4. JABBER (VERB): to talk rapidly and incessantly,
Synonyms: babble, ramble
Antonyms: silence, quiet
Example Sentence: Jordon started to jabber about his opponent.
5. JARGON (NOUN): technical term Synonyms: dialect, lingo
Antonyms: standard, typical
Example Sentence: The team members used an unusual jargon to discuss the strategy which James could not comprehend as he was a novice.
6. JIBE (VERB): to agree
Synonyms: harmonize, conform Antonym: disagree, differ
Example Sentence: The findings of the spy did not jibe with the testimony, thus nothing could be proved against the accused.
7. JUNCTURE (NOUN): turning point Synonyms: climax, twist
Antonyms: whole, complete
Example Sentence: James is at an important juncture of his life where he has to decide between joining the army or resuming his studies
8. JEOPARDY (NOUN): at risk of loss or harm
Synonyms: trouble, endangerment Antonyms: assurance, safety
Example Sentence: Jemma puts her health in jeopardy every time she does not take her medicines on time.
9. JOCULAR (ADJECTIVE): funny Synonyms: humorous, playful Antonyms: gloomy, sad
Example sentence: The In-charge tried being a little jocular by telling funny incidents he had to face at his earlier job.
10. JUMBLED (ADJECTIVE): mixed up Synonyms: tangled, befuddled Antonyms: organized, systematized Example Sentence: Molly constantly complains about the jumbled mess of hair she has.