Infants: <1Children: 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 - EphemeralSpoken or done without preparation - ExtemporeRelease someone from a duty or obligation - ExonerateFond of company - GregariousMaking marks that cannot be removed - IndelibleIncapable 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, differencesCognizant (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