Jurisdiction (دائرہ اختیار) is the official power or 'authority' (اختیار) to make legal decisions and judgments over a specific area or matter.

Judicious (دانشمندانہ) means having or showing good judgment. It implies being 'careful' (محتاط) and sensible. 'Indiscreet' (بے احتیاط) is the antonym.

Jubilation (خوشی) is a feeling of great happiness and triumph. 'Elation' (سرفرازی) is a direct synonym. 'Lamentation' (ماتم) is the antonym.

Jovial (خوش مزاج) means cheerful and friendly. 'Jolly' (ہنس مکھ) is a direct synonym.

Jittery (گھبرایا ہوا) means nervous, 'edgy' (پریشان), or unable to relax. 'Confident' (پراعتماد) is the antonym.

Jesting (مذاق کرنا) is the act of 'joking' (لطیفے سنانا) or speaking in a playful, humorous way.

To jeopardise (خطرے میں ڈالنا) means to put someone or something into a situation in which there is a danger of loss or harm. 'Endanger' (خطرناک بنانا) is a direct synonym. 'Protect' (حفاظت کرنا) is the antonym.

To jeer (طعنہ زنی کرنا) is to make rude and mocking remarks. 'Sneer' (حقارت سے مسکرانا) and 'laugh at' (ہنسنا) mockingly are both strong synonyms.

A jaunt (سیر) is a short excursion or journey made for pleasure. 'Outing' (تفریح) is a direct synonym. 'Tedious' (تھکا دینے والا) is an antonym.

Irritable (چڑچڑا) means easily annoyed or made angry. 'Grouchy' (بدمزاج) is a direct synonym. 'Drowsy' (نیند میں) means sleepy.