HinKhoj Dictionary

Pal (मित्र) - Buddy
Pandemonium (बहुत शोर और अव्‍यवस्‍था) - Chaos
Pensive (विचार मग्न) - Thoughtful
Perennial (निरंतर) - Permanent, perpetual
Persuade (मनाना) - Induce, urge
Quaint (अनोखा) - Queer, odd, singular

rejuvenation (noun) रिˌजूव़ˈनेश्‌न्‌
the act or process of making someone look or feel young and energetic again पुनर्यौवन

resuscitation (noun) रिˌससिˈटेश्‌न्‌
the act of bringing someone or something back to life or waking them पुनः होश में लाने की क्रिया

incipient (adjective) इन्ˈसिपिअन्‌ट्
just beginning आरंभिक

inchoate (adjective) इन्कोइट
just begun and so not fully formed or developed; rudimentary अपरिपक्व

Convalescent (noun) ˌकॉन्‌व़ˈले᠎स्‌न्‍ट्‌
being in the process or period of resting in order to get better after an illness or operation स्वास्थ्यलाभ से संबंधित

antecedent (noun) ˌऐन्‌टिˈसीड्‌न्‍ट्‌
the people in somebody’s family who lived a long time ago (पूर्वज)

Reprisal (Noun)
Synonym: retaliation, counterattack
Antonym: pardon, remission

Meticulous (adjective)
Synonym: careful, conscientious
Antonym: careless, sloppy, slapdash

Unprecedented (adjective)
Synonym: unequalled, unmatched, unrivalled
Antonym: precedented, familiar, usual

Conducive (adjective)
Synonyms: Good for, Helpful, Instrumental in, calculated to produce, favourable
Antonym: Unfavourable

Fester (Verb)
Synonyms: Suppurate, Rot, Decay, Degrade, Disintegrate
Antonym: Build, Grow, Please, Improve, Flourish

Reprisal (Noun): an act of retaliation (प्रतिहिंसा)
Meticulous (adjective): showing great attention to detail; very careful and precise (सूक्ष्म/ विस्तार पर बहुत ध्यान देना)
Unprecedented (adjective): never done or known before (अभूतपूर्व)
Conducive (adjective): helping or making something happen (सहायक या किसी का कारण बनना)
Fester (Verb): (used about an unpleasant situation, feeling or thought) to become more unpleasant because you do not deal with it successfully (अप्रिय स्थिति आदि का) सफलतापूर्वक न निपटाए जाने के कारण और अधिक कटु हो जाना)

Hang by a thread - बहुत नाजुक स्थिति में होना

Hard of hearing - कुछ हद तक बहरा

Hard up - रुपयों की तंगी होना

Every Now and then - अक्सर

Fed up with - तंग आ जाना 

Yellow feeling - भाईचारा, अपनापन