20 new English words for 31 March 2026, 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 Entomology (noun)

Entomology - The scientific study of insects.

The scientific study of insects.

Hindi meaning: कीटविज्ञान

Synonyms: Insect study, Insect science, Bug science, Zoology

Antonyms: Botany, Ornithology, Herpetology, Ichthyology

Example: She chose entomology as her field of research because she was fascinated by insects.

Trick: Entomology sounds like insects ki technology , so remember it as the study of insects.

2 Circumnavigate (verb)

Circumnavigate - Travel all the way around (something, especially the world).

Travel all the way around (something, especially the world).

Hindi meaning: चारों ओर घूमकर यात्रा करना

Synonyms: Encircle, Orbit, Go around, Sail around

Antonyms: Stay, Remain, Stop, Halt

Example: The sailors planned to circumnavigate the globe in one year.

Trick: Circum means around, so circumnavigate means navigate around something.

3 Ventriloquist (noun)

Ventriloquist - A person who can speak or make sounds in such a way that they seem to come from another person or object, especially a dummy.

A person who can speak or make sounds in such a way that they seem to come from another person or object, especially a dummy.

Hindi meaning: पेट से बोलने वाला कलाकार

Synonyms: Performer, Entertainer, Mimic, Impersonator

Antonyms: Listener, Audience, Spectator, Observer

Example: The ventriloquist amazed the children by making the puppet seem alive.

Trick: Ventriloquist sounds like ventri + voice twist, so remember it as a person who twists the voice to make it seem like it comes from somewhere else.

4 Hydrophobia (noun)

Hydrophobia - An extreme or irrational fear of water; also a symptom of rabies in which swallowing liquids becomes difficult.

An extreme or irrational fear of water; also a symptom of rabies in which swallowing liquids becomes difficult.

Hindi meaning: जल से भय

Synonyms: Water fear, Aquaphobia, Dread, Panic

Antonyms: Courage, Calmness, Confidence, Fearlessness

Example: The child’s hydrophobia made it difficult for him to go near the swimming pool.

Trick: Hydro means water and phobia means fear, so hydrophobia means fear of water.

5 Melodious (adjective)

Melodious - Pleasant to hear; sweet-sounding, especially in music.

Pleasant to hear; sweet-sounding, especially in music.

Hindi meaning: मधुर

Synonyms: Tuneful, Sweet, Harmonious, Musical

Antonyms: Harsh, Discordant, Unpleasant, Jarring

Example: The bird sang in a melodious voice early in the morning.

Trick: Melodious comes from melody, so if something sounds like a melody, it is melodious.

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6 Fumigate (verb)

Fumigate - Disinfect or cleanse with the fumes of certain chemicals.

Disinfect or cleanse with the fumes of certain chemicals.

Hindi meaning: धूमन करना

Synonyms: Disinfect, Purify, Sanitize, Cleanse

Antonyms: Contaminate, Pollute, Infect, Dirty

Example: The workers were called to fumigate the warehouse to get rid of pests.

Trick: Fumigate sounds like fume + gate, so remember it as using fumes to clean a place.

7 Polyphony (noun)

Polyphony - The combination of two or more independent melodies played or sung at the same time.

The combination of two or more independent melodies played or sung at the same time.

Hindi meaning: बहुस्वरता

Synonyms: Harmony, Counterpoint, Multipart music, Choral texture

Antonyms: Monophony, Solo, Unison, Simplicity

Example: The choir performance was rich in polyphony, with many voices blending beautifully.

Trick: Poly means many and phony sounds like phone/voice, so polyphony means many voices or sounds together.

8 Quadruped (noun)

Quadruped - An animal that walks on four feet.

An animal that walks on four feet.

Hindi meaning: चतुष्पाद प्राणी

Synonyms: Four-footed animal, Beast, Mammal, Creature

Antonyms: Biped, Human, Bird, Two-legged animal

Example: A horse is a common quadruped that runs very fast.

Trick: Quad means four, so a quadruped is a four-legged animal.

9 Granary (noun)

Granary - A storehouse for threshed grain.

A storehouse for threshed grain.

Hindi meaning: अनाज भंडार

Synonyms: Storehouse, Warehouse, Silo, Depot

Antonyms: Wasteground, Dump, Consumption area, Marketplace

Example: The farmers stored their wheat safely in the granary after harvest.

Trick: Granary sounds like grain-ary, so remember it as the place where grain is kept.

10 Metabolism (noun)

Metabolism - The chemical processes in a living organism that maintain life.

The chemical processes in a living organism that maintain life.

Hindi meaning: उपापचय

Synonyms: Digestion, Assimilation, Breakdown, Conversion

Antonyms: Stagnation, Inactivity, Dormancy, Halt

Example: Regular exercise helps improve metabolism in the body.

Trick: Metabolism means body ka system jo food ko energy me convert karta hai.

11 Paleontology (noun)

Paleontology - The branch of science concerned with fossils and ancient life forms.

The branch of science concerned with fossils and ancient life forms.

Hindi meaning: जीवाश्म विज्ञान

Synonyms: Fossil science, Prehistoric biology, Ancient life study, Evolutionary paleobiology

Antonyms: Modern biology, Contemporary science, Present-day zoology, Current life study

Example: Paleontology helps scientists understand the evolution of plants and animals through fossils.

Trick: Paleo sounds like old, so paleontology is the study of very old life through fossils.

12 Nyctophobia (noun)

Nyctophobia - Extreme fear of the dark or night.

Extreme fear of the dark or night.

Hindi meaning: अंधकार का भय

Synonyms: Fearfulness, Dread, Terror, Panic

Antonyms: Courage, Bravery, Confidence, Fearlessness

Example: The child could not sleep alone because of nyctophobia.

Trick: Night me jo fear ho jaye, use yaad karo as nyctophobia = fear of darkness.

13 Uxoricide (noun)

Uxoricide - The act of killing one’s wife, or a person who kills his wife.

The act of killing one’s wife, or a person who kills his wife.

Hindi meaning: पत्नी की हत्या

Synonyms: Wife-murder, Spousal killing, Homicide, Murder

Antonyms: Protection, Care, Saving, Preservation

Example: The detective revealed that the case was one of uxoricide.

Trick: Uxoricide me uxor ko wife se jodo, so uxoricide means killing of wife.

14 Ophthalmologist (noun)

Ophthalmologist - A doctor who specializes in the treatment of eyes and eye diseases.

A doctor who specializes in the treatment of eyes and eye diseases.

Hindi meaning: नेत्र रोग विशेषज्ञ

Synonyms: Eye specialist, Eye doctor, Oculist, Vision specialist

Antonyms: Patient, Layman, Amateur, Non-specialist

Example: The ophthalmologist examined her eyes and prescribed new glasses.

Trick: Ophthalmologist sounds like optical doctor, so remember it as an eye specialist.

15 Piscivorous (adjective)

Piscivorous - Feeding on fish.

Feeding on fish.

Hindi meaning: मछली खाने वाला

Synonyms: Fish-eating, Predatory, Carnivorous, Hunter-like

Antonyms: Herbivorous, Vegetarian, Plant-eating, Non-predatory

Example: The kingfisher is a piscivorous bird that mainly survives on fish.

Trick: Pisces means fish, so piscivorous means a fish-eating animal.

16 Fluorescent (adjective)

Fluorescent - Giving off bright light, especially under ultraviolet light.

Giving off bright light, especially under ultraviolet light.

Hindi meaning: प्रतिदीप्त

Synonyms: Glowing, Radiant, Ledded, Luminous

Antonyms: Dull, Dark, Faded, Dim

Example: The fluorescent tube lit up the entire room brightly.

Trick: Fluorescent things flow with bright light, so remember it as glowing strongly.

17 Onomatopoeia (noun)

Onomatopoeia - The formation of a word that imitates the natural sound associated with something.

The formation of a word that imitates the natural sound associated with something.

Hindi meaning: ध्वन्यात्मक शब्द

Synonyms: Echoic word, Sound imitation, Sound word, Imitative expression

Antonyms: Silence, Plain expression, Literal wording, Non-imitative language

Example: Words like buzz, hiss, and splash are examples of onomatopoeia.

Trick: Onomatopoeia sounds like a poem of sounds, so remember it as words that copy real sounds.

18 Kakistocracy (noun)

Kakistocracy - Government by the worst, least qualified, or most corrupt people.

Government by the worst, least qualified, or most corrupt people.

Hindi meaning: निकृष्ट लोगों का शासन

Synonyms: Misrule, Corrupt rule, Bad governance, Inept government

Antonyms: Meritocracy, Good governance, Efficient rule, Wise leadership

Example: Critics called the corrupt regime a kakistocracy because incompetent people were in power.

Trick: Kaki si gandi sarkar yaad karo, kakistocracy means rule by the worst people.

19 Archive (noun/verb)

Archive - A collection of historical records or documents, or to store such records for future reference.

A collection of historical records or documents, or to store such records for future reference.

Hindi meaning: अभिलेखागार / अभिलेख के रूप में सुरक्षित रखना

Synonyms: Record, Repository, Storehouse, File

Antonyms: Destroy, Erase, Discard, Delete

Example: The library decided to archive old newspapers for research purposes.

Trick: Archive ko aise yaad karo — important files ko car me nahi, archive me safe rakhte hain for future use.

20 Polytheist (noun)

Polytheist - A person who believes in or worships many gods.

A person who believes in or worships many gods.

Hindi meaning: अनेकेश्वरवादी

Synonyms: Pagan, Idolater, Believer, Worshipper

Antonyms: Monotheist, Atheist, Disbeliever, Agnostic

Example: A polytheist may worship different gods for different aspects of life.

Trick: Poly means many, so polytheist is a person who believes in many gods.

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