HinKhoj Dictionary

1) algid (adjective) cold; chilly (शांत) - ऐल्जिड
2) inclement (adjective) - (used about the weather) unpleasant, cold, rainy etc (अप्रिय, ठंडा) - इन्ˈक्‌लेमन्‌ट्
3) meager (adjective) - too small in amount (बहुत कम) - ˈमीग(र्‌)
4) trenchant (adjective) - vigorous or incisive in expression or style (प्रभावशाली) - ट्रेंचेट
5) austere (adjective) - very simple; without decoration (अति साधारण और सरल; आडंबरहीन) - ऑˈसि्‍टअ(र्‌)

He who implants courage in the human soul is the best physician.
ऐसा व्यक्ति जो मानव के हृदय में साहस बोता है, वह सर्वश्रेष्ठ चिकित्सक होता है।

Infants: <1

Children: 1-11 years or <7th grade

Teens: 12-17 or 7th-12th grade

Denarian: Someone age 10 to 19.

Vicenarian: Someone in his or her twenties.

Tricenarian: Someone in his or her thirties.

Quadragenarian: Someone in his or her forties.

Quinquagenarian: Someone in his or her fifties.

Sexagenarian: Someone in his or her sixties.

Septuagenarian: Someone in his or her seventies.

Octogenarian: Someone in his or her eighties.

Nonagenarian: Someone in his or her nineties.

Centenarian: Someone 100 or more.

Supercentenarian: Someone 110 years old or more (no upper limit).

Lasting for a very short time - Ephemeral
Spoken or done without preparation - Extempore
Release someone from a duty or obligation - Exonerate
Fond of company - Gregarious
Making marks that cannot be removed - Indelible
Incapable of making mistakes or being wrong - Infallible

Modality (noun): A Specific mode in which something is expressed or is experienced something exists (तौर-तरीका)
Antonym: Chaos, anarchy, differences

Cognizant (adjective): Having knowledge or awareness (जानकार)
Antonym: Ignorant, indifferent, senseless

Predicament (noun): A difficult, unpleasing or embarrassing situation (अप्रिय और कठिन स्थिति जिससे बाहर निकलना कठिन हो)
Antonym: Advantage, Benefit, Agreement, Blessing

Unanimously (adverb): Without opposition / with the approval of all the people involved (सर्वसम्‍मति से)
Antonym: Differently, divergently, oppositely

Precious (adjective): of great value (बहुमूल्‍य)
Antonyms: Cheap, common, impaired, deficient