The Hindu Vocabulary 18 October 2025

Word/Phrase

Part of speech

Meaning

Synonyms

Antonyms

Sentence

Infiltrator

Noun

A person who secretly enters or joins an organization or territory in order to spy or achieve a hostile purpose.

(घुसपैठिया)

Spy, Agent, Saboteur, Mole, Intruder, Undercover, Operative, Snoop, Scout, Provocateur

Defender, Protector, Guard, Sentinel, Ally, Insider, Official, Member, Resident, Controller

The military captured an infiltrator attempting to cross the border under the cover of darkness.

Distinction

Noun

A difference or contrast between similar things or people; excellence that sets someone or something apart.

(विशिष्टता)

Difference, Separation, Contrast, Excellence, Honour, Differentiation, Merit, Quality, Individuality, Superiority

Similarity, Sameness, Equality, Unity, Uniformity, Identity, Obscurity, Commonality, Likeness, Mediocrity

There is a clear distinction between the two types of software.

Signatory

Noun

A person, company, or state that has signed an official document, treaty, or agreement.

(हस्ताक्षरकर्ता)

Undersigner, Ratifier, Cosigner, Endorser, Authority, Party, Participant, Drawer, Contractant

Non-signatory, Opponent, Detractor, Dissenter, Refuser, Adversary, Withdrawer, Rescinder

India is a signatory to the Paris Agreement on climate change.

Arbitrary

Adjective

Based on random choice or personal whim, rather than any reason or system; unpredictable.

(मनमाना)

Random, Subjective, Capricious, Whimsical, Dictatorial, Unreasonable, Discretionary, Fanciful, Impulsive, Irrational

Rational, Logical, Reasoned, Objective, Consistent, Deliberate, Calculated, Systematic, Justified, Necessary

The committee made an arbitrary decision without consulting any data.

Subsume

Verb

To include or absorb (something) in something else.

(समाविष्ट करना)

Include, Absorb, Incorporate, Contain, Embrace, Encompass, Assimilate, Merge, Integrate

Exclude, Separate, Divide, Remove, Isolate, Differentiate, Reject, Dissect, Disconnect, Detach

All the smaller agencies will be subsumed under the main government department.

Streamline

Verb

To make an organization or system more efficient and simple by simplifying or eliminating unnecessary working methods.

(सुव्यवस्थित करना)

Simplify, Modernize, Rationalize, Optimize, Efficientize, Organize, Smooth, Improve, Integrate, Accelerate

Complicate, Hinder, Obstruct, Confuse, Slow, Entangle, Block, Disorganize, Worsen, Inefficientize

The company hired consultants to streamline its production process.

Overstay

Verb

To stay longer than the time allowed or expected.

(निर्धारित अवधि से अधिक ठहरना)

Linger, Exceed, Remain, Stay On, Dawdle, Delay, Prolong, Outstay, Trespass, Continue

Depart, Leave, Adhere, Exit, Complete, Shorten, Limit, Retreat, Comply, Withdraw

Foreign visitors must be careful not to overstay their visa period.

Exemption

Noun

The action of being freed from n obligation or liability to which others are subject.

(मुक्ति)

Immunity, Release, Freedom, Exception, Dispensation, Privilege, Waiver, Exclusion, Relief, Impunity

Obligation, Liability, Requirement, Responsibility, Duty, Subjection, Inclusion, Mandate, Necessity, Tax

Students with good grades were granted an exemption from the final exam.

Fundamentally

Adverb

In a basic and essential way; essentially

(मूलतः)

Essentially, Basically, Primarily, Radically, Profoundly, Intensely, Deeply, Inherently, Naturally

Superficially, Partially, Incidentally, Trivially, Apparently, Outwardly, Peripherally, Secondary, Slight, Ultimately

The new system is fundamentally different from the old one.

Consistent

Adjective

Acting or done in the same way over time, especially so as to be fair or accurate; unchanging in nature.

(सुसंगत)

Steady, Uniform, Constant, Regular, Predictable, Coherent, Reliable, Stable, Unchanging, True

Inconsistent, Erratic, Unstable, Variable, Changeable, Sporadic, Irregular, Random, Fluctuate, Unreliable

To see results, you must be consistent with your workout routine.

Rational

Adjective

Based on or in accordance with reason or logic.

(तर्कसंगत)

Logical, Reasonable, Sensible, Objective, Wise, Sound, Intelligent, Judicious, Analytical, Cogent

Irrational, Illogical, Emotional, Absurd, Unreasonable, Senseless, Foolish, Mad, Crazy, Subjective

Making a rational decision is difficult when under extreme stress.

Discreet

Adjective

Careful and circumspect in one's speech or actions, especially to keep something confidential or to avoid causing offence.

(विवेकी)

Cautious, Prudent, Careful, Judicious, Circumspect, Reserved, Subtle, Tactful, Unobtrusive, Secret

Indiscreet, Rash, Obvious, Blatant, Open, Careless, Reckless, Loud, Noticeable, Public

She gave a discreet nod to signal that the meeting was over.