HinKhoj Dictionary

Juvenile (किशोर) - Young, Adolescent, Immature
Merriment (आमोद-प्रमोद) - Gaiety, Happiness, Mirth, Amusement, Glee, Delight
Modicum (थोड़ी मात्रा में (अच्छी तथा सुखद चीज़ें)) - Bit, Scrap, Little, Crumb
Precarious (असुरक्षित या अनिश्चित) - Hazardous, Critical, Risky
Whimsical (सनकी) - Fantastic, Eccentric, Fanciful
Wicked (शैतान) - Malevolent, Evil, Heinous
Worthless (बेकार) - Cheap, Futile, Base, Useless
Wrath (कोप) - Rage, Vexation, Anger

Rapport (noun) रैˈपॉ(र्‌) - Harmony सौहार्द 

Recalcitrant (adjective) रिˈकैल्‌सिट्रन्‌ट् - Obstinately defiant of authority, difficult to manage अवज्ञाकारी; हठी

Rogue (noun) रोग्‌ - A dishonest or unprincipled person कपटी मनुष्य

Sanguine (adjective) ˈसैङ्‌ग्‌विन् - Optimistic or positive, especially in an apparently bad situation आशावादी

Startling (adjective) ˈस्‍टाट्‌लिङ्‌ - very surprising, astonishing or remarkable चौंका देने वाला

Stealth (noun) स्‍टे᠎̮ल्‍थ़्‌ - Secret गुप्‍त रूप से या बिना शोरगुल के किया गया काम

A group of guns or missile launchers operated together at one place - Battery
A large bundle bound for storage or transport - Bale
A large gathering of people of a particular type - Bevy
An arrangement of flowers that is usually given as a present - Bouquet
A family of young animals - Brood
A group of things that have been hidden in a secret place - Cache
A group of people, typically with vehicles or animals travelling together - Caravan
A closed political meeting - Caucus

Macabre: Horrible अप्रिय और डरावना
Modality: A Specific mode in which something is expressed or is experienced something exists तौर-तरीका
Nullify: Make void रद्द करना
Ostensible: Seeming or stated to be real or true, but not necessarily real or true दिखावटी
Oust: To force somebody out of a job or position of power, especially in order to take his/her place बेदखल करना/ बाहर निकालना
Overt: Done in an open way and not secretly खुले तौर पर किया गया

Bring to light - राज खोलना
The C.I.D. brought to light a hideous conspiracy to assassinate the police chief.
Broad daylight - दिन दहाड़े
Yesterday, the bank near our house was robbed in broad daylight.
Brown study - विचारों में मग्न रहना
Shyam is in the habit of getting into brown study.
By and By - आहिस्ता-आहिस्ता
By and by people began to come into the lecture hall.
By the way - बात-बात में यूँ ही
By the way, are you going to office?