10 new English words for 29 September 2025, each with its meaning, Hindi meaning, synonyms, antonyms and an example sentence. Learn them today and revise them with the daily quiz — useful for SSC, Bank, Railway, UPSC and IELTS.

1 Alacrity (Noun)

Alacrity - Brisk and cheerful readiness; eagerness to respond or act quickly.

Brisk and cheerful readiness; eagerness to respond or act quickly.

Hindi meaning: उत्साहपूर्वक तत्परता

Synonyms: Eagerness, Willingness, Enthusiasm, Promptness

Antonyms: Apathy, Reluctance, Indifference, Sluggishness

Example: She accepted the invitation with surprising <strong>alacrity</strong>.

Trick: Agar kisi ka kaam karne ka mood high speed me ho, toh woh karta hai with alacrity.

2 Clandestine (adjective)

Clandestine - Kept secret or done secretly, often because it is illicit or unauthorized.

Kept secret or done secretly, often because it is illicit or unauthorized.

Hindi meaning: गुप्त, गुपचुप

Synonyms: Secret, Covert, Hidden, Surreptitious

Antonyms: Open, Public, Overt, Transparent

Example: The two companies held <strong>clandestine</strong> meetings to plan the merger.

Trick: Clandestine sounds like “clean + destination”; secretly meeting at a clean destination is a clandestine plan.

3 Debilitate (verb)

Debilitate - To make someone weak or feeble; to impair the strength or energy of.

To make someone weak or feeble; to impair the strength or energy of.

Hindi meaning: कमज़ोर करना, दुर्बल बनाना

Synonyms: Weaken, Exhaust, Cripple, Enfeeble

Antonyms: Strengthen, Energize, Fortify, Invigorate

Example: The long illness served to <strong>debilitate</strong> his body and spirit.

Trick: Jab body ka “ability” chala jaye, toh wo ho jata hai debilitate.

4 Gregarious (adjective)

Gregarious - Fond of company; sociable, enjoying being with others.

Fond of company; sociable, enjoying being with others.

Hindi meaning: मिलनसार, सामाजिक

Synonyms: Sociable, Outgoing, Companionable, Affable

Antonyms: Reserved, Shy, Introverted, Unsociable

Example: Ramesh is so <strong>gregarious</strong> that he makes friends wherever he goes.

Trick: Gregarious person har group (greg) me fit ho jata hai, hamesha doston ke saath rehna pasand karta hai.

5 Magnanimous (adjective)

Magnanimous - Very generous or forgiving, especially toward a rival or someone less powerful.

Very generous or forgiving, especially toward a rival or someone less powerful.

Hindi meaning: उदार, विशाल हृदय वाला

Synonyms: Generous, Noble, Kind-hearted, Charitable

Antonyms: Mean, Selfish, Petty, Ungenerous

Example: Despite losing the match, he was <strong>magnanimous</strong> enough to praise his opponent’s performance.

Trick: Magna = great + animus = soul → A magnanimous person has a “great soul” jo sabko maaf aur help karta hai.

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6 Perspicacious (adjective)

Perspicacious - Having a ready insight into and understanding of things; mentally sharp and observant.

Having a ready insight into and understanding of things; mentally sharp and observant.

Hindi meaning: तीक्ष्णबुद्धि

Synonyms: Insightful, Perceptive, Astute, Discerning

Antonyms: Ignorant, Unobservant, Oblivious, Shortsighted

Example: The <strong>perspicacious</strong> detective quickly noticed the clues others had overlooked.

Trick: Jo insaan har chhoti baat ko jaldi samajh le, wo perspicacious hota hai – matlab sharp mind wala.

7 Petrichor (Noun)

Petrichor - A pleasant, earthy smell that frequently accompanies the first rain after a long period of warm, dry weather.

A pleasant, earthy smell that frequently accompanies the first rain after a long period of warm, dry weather.

Hindi meaning: मिट्टी की सोंधी खुशबू

Synonyms: Earthy scent, Rain fragrance, Soil aroma, Geosmin smell

Antonyms: Odorless, Stench, Foul smell, Fetor

Example: After months of scorching heat, the villagers rejoiced at the <strong>petrichor</strong> that filled the air with the first monsoon showers.

Trick: Jab barish ke baad mitti ki khushboo aaye aur dil khush ho jaye, usse hi petrichor kehte hain.

8 Precocious (adjective)

Precocious - Having developed certain abilities or tendencies at an earlier age than usual.

Having developed certain abilities or tendencies at an earlier age than usual.

Hindi meaning: असमय विकसित, समय से पहले परिपक्व

Synonyms: Advanced, Gifted, Talented, Prodigy-like

Antonyms: Backward, Slow, Unintelligent, Retarded

Example: The <strong>precocious</strong> child could solve complex math problems even before starting school.

Trick: Jo bachcha apni age se zyada tez nikle, usse bolte hain precocious – matlab chhoti umar mein hi genius.

9 Querulous (adjective)

Querulous - Complaining in a rather petulant or whining manner.

Complaining in a rather petulant or whining manner.

Hindi meaning: शिकायती, कुड़कुड़ाने वाला

Synonyms: Grumbling, Whining, Irritable, Petulant

Antonyms: Cheerful, Content, Easygoing, Satisfied

Example: The <strong>querulous</strong> passenger kept finding faults throughout the journey, making everyone uncomfortable.

Trick: Jo har baat pe quarrel kare aur complain kare, wo querulous hota hai.

10 Serendipity (Noun)

Serendipity - The occurrence of events by chance in a happy or beneficial way.

The occurrence of events by chance in a happy or beneficial way.

Hindi meaning: संयोगवश शुभ घटना

Synonyms: Fluke, Chance, Blessing, Good fortune

Antonyms: Misfortune, Bad luck, Calamity, Mishap

Example: Finding my old friend in a distant city was pure <strong>serendipity</strong>.

Trick: Jab bina plan banaye achhi cheez mil jaye, use serendipity kehte hain – jaise lucky surprise.

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