"Word"  - (form of speech)

Meaning
Usage

"Jovial" - (adjective)

 cheerful, good-humored

 Example: The jovial host made everyone feel welcome at the party.

"Jaded" - (adjective)

 tired, worn out

Example: After years of working in the same job, she became jaded and lacked enthusiasm.

"Jingoistic" - (adjective)

 overly patriotic, nationalistic

Example: His jingoistic views led to heated arguments about foreign relations.

"Jump" - (verb)

 to move suddenly, usually upwards, from the ground

Example: The children jump in excitement when they see the ice cream truck.

"Join" - (verb)

 to come together with others in an activity or group

 Example: I decided to join the yoga class to improve my flexibility.

"Jolly" - (adjective)
 cheerful and full of fun
 Example: They had a jolly time at the family reunion.

"Justice" - (noun)

 fairness, the quality of being just or fair

Example: The judge made sure that justice was served in the courtroom.

"Jumble" - (verb)

 to mix things together in a disorganized way

Example: The teacher asked the students to unscramble the jumble of words on the board.

"Jubilant" - (adjective)

 feeling or expressing great joy

Example: The crowd was jubilant after the team’s victory.

"Juvenile" - (adjective)

 young, immature

Example: The juvenile behavior of the team was evident during their playful banter.

"Joviality" - (noun)

 cheerfulness, happiness

Example: Her joviality spread throughout the office, lifting everyone’s mood.

"Junta" - (noun)

 a military or political group ruling after a coup

Example: The country was under the rule of a military junta after the overthrow of the government.

"Jeer" - (verb)

 to mock, to taunt

Example: The fans jeered the opposing team as they walked off the field.

"Juncture" - (noun)

 a particular point in time, a critical decision-making moment

Example: At this juncture, we must decide whether to invest in new technology or wait for better market conditions.

"Jettison" - (verb)

 to throw or discard something, often to lighten a load

Example: The crew had to jettison some cargo to prevent the ship from sinking.

"Jubilant" - (adjective)

 feeling or expressing great happiness or joy

Example: The jubilant fans celebrated their team's victory late into the night.

"Judicious" - (adjective)
 showing good judgment, wise
 Example: A judicious approach to solving the problem will ensure long-term success.

"Jostle" - (verb)

 to push, shove, or bump against someone, usually in a crowd

Example: As the doors opened, the passengers jostled to get on the train first.

"Jurisprudence" - (noun)

 the philosophy or science of law

Example: He pursued a degree in jurisprudence to understand the intricacies of legal systems.

"Jingoistic" - (adjective)

 excessively patriotic, often to the point of being belligerent

Example: His jingoistic remarks during the debate caused tension with the international community.

"Jargon" - (noun)

 specialized language, technical terms

Example: The doctor’s jargon was difficult for the patient to understand.