10 new English words for 15 October 2021, 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 Efficacy (noun)

Efficacy  - The ability to produce a desired or intended result.

The ability to produce a desired or intended result.

Hindi meaning: क्षमता

Synonyms: productiveness, fruitfulness, efficiency

Antonyms: incompetence, ineptitude, ineffectiveness

Example: There is little information on the <strong>efficacy</strong> of this treatment.

Trick: Gracy me efficacy hai khud ko prove krne ka

2 Endanger (verb)

Endanger  - Put (someone or something) at risk or in danger.

Put (someone or something) at risk or in danger.

Hindi meaning: खतरे में डालना

Synonyms: Risk, Imperil, Put in danger

Antonyms: Protect, Guard

Example: By their nature, these risks potentially can <strong>endanger</strong> all forms of life on the planet.

Trick: Don ne apni life endanger ki hai

3 Hover (verb)

Hover  - To stay close to something.

To stay close to something.

Hindi meaning: आस पास फिरना

Synonyms: Loiter, Stay nearby, Wait about

Antonyms: Settle, Rest

Example: Temperatures <strong>hovered</strong> around freezing.

Trick: Howrah bridge hover hai yaha se

4 Sullen (adjective)

Sullen  - Bad-tempered and sulky.

Bad-tempered and sulky.

Hindi meaning: चिड़चिड़ा रुखा

Synonyms: Sulky, Gloomy, Joyless

Antonyms: Cheerful, Bright, Pleasant

Example: There's a <strong>sullen</strong>, and increasingly angry mood on the issue.

Trick: Lily abhi bhi sullen hai hamse prom night ke bad

5 Apprehension (noun)

Apprehension  - Anxiety or fear that something bad or unpleasant will happen.

Anxiety or fear that something bad or unpleasant will happen.

Hindi meaning: डर

Synonyms: Worry, Uneasiness, Restlessness, Anxiety

Antonyms: Calmness, Contentment

Example: She had some <strong>apprehensions</strong> about the filming.

Trick: Police ke pareshan karne ka apprehension hai mujhe

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6 Wary (adjective)

Wary  - Feeling or showing caution about possible dangers or problems.

Feeling or showing caution about possible dangers or problems.

Hindi meaning: सावधान

Synonyms: Cautious, Careful, Watchful

Antonyms: Careless, Unwary, Reckless

Example: Dogs that have been mistreated often remain very <strong>wary</strong> of strangers.

Trick: Quarry me wary ho kar kam karna chahye

7 Big-Ticket (adjective)

Big-Ticket  - Constituting a major expense.

Constituting a major expense.

Hindi meaning: बड़े मोल का

Synonyms: Valuable, Costly, Extravagant

Antonyms: Cheap, Reasonable

Example: Finally, the <strong>big-ticket</strong> endorsements for President Bush are coming in.

Trick: Bollywood biggies ne big-ticket project shuru kiya hai

8 Yardsticks (noun)

Yardsticks  - A standard used for comparison.

A standard used for comparison.

Hindi meaning: मापदंड

Synonyms: Standard, Measure, Guideline, Norm

Example: League tables are not the only <strong>yardstick</strong> of schools' performance.

Trick: Company ne sales ka yardstick set kiya hua hai

9 Peril (noun)

Peril  - Serious and immediate danger.

Serious and immediate danger.

Hindi meaning: ख़तरा

Synonyms: Danger, Hazard, Threat, Hazard

Example: Owners are now changing their routes to avoid the <strong>perils</strong> of modern technology.

Trick: Devil se hame peril hai

10 Proliferation (noun)

Proliferation  - Rapid increase in the number or amount of something.

Rapid increase in the number or amount of something.

Hindi meaning: प्रसार फैलाव

Synonyms: Increase, Expansion, Mushrooming, Propagation

Antonyms: Decline, Depletion

Example: This muteness increases the sense of <strong>proliferation</strong> in his art.

Trick: Ration ka right proliferation ho raha hai

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