GCSE Vocabulary You Must Know (2025)

High‑value GCSE vocabulary with meanings, examples, and a quick practice check for each word.

Updated 2026-07-29Estimated study: 20–30 min

Core GCSE Vocabulary Words (50+)

A strong vocabulary supports GCSE English Language & Literature—both analysis and expression. Below you’ll find high‑frequency academic words with an essence line, a clear definition, an example, and a quick practice check.

aberration

Example: The sudden snowstorm in July was an aberration in the otherwise warm summer.

What does 'aberration' mean?

avarice

Example: His avarice led him to betray his closest allies.

What does 'avarice' mean?

brazen

Example: She made a brazen attempt to dominate the conversation.

A 'brazen' action is:

cajole

Example: He tried to cajole his classmates into joining the club.

To 'cajole' someone is to:

coherent

Example: Her essay was well structured and coherent.

A 'coherent' argument is:

deride

Example: Critics derided the play for its weak dialogue.

To 'deride' is to:

indolent

Example: He spent the afternoon in indolent relaxation.

What does 'indolent' mean?

serendipity

Example: Finding her old friend at the market felt like serendipity.

What best defines 'serendipity'?

venerable

Example: The venerable professor retired after 50 years of teaching.

A 'venerable' figure is:

avaricious

Example: The avaricious businessman prioritized profit over ethics.

An 'avaricious' person is:

chide

Example: She chided him for arriving so late.

To 'chide' means to:

clandestine

Example: They held a clandestine meeting in the basement.

A 'clandestine' meeting is:

impeccable

Example: Her impeccable record made her the ideal candidate.

What does 'impeccable' mean?

insatiable

Example: He had an insatiable thirst for knowledge.

What does 'insatiable' mean?

furtive

Example: She cast a furtive glance toward the exit.

A 'furtive' look is:

gratuitous

Example: His insulting remarks were gratuitous and hurtful.

What does 'gratuitous' mean?

haughty

Example: The haughty student dismissed others as ignorant.

What does 'haughty' mean?

hypocrisy

Example: His criticism of others revealed his hypocrisy.

What is 'hypocrisy'?

imbue

Example: The teacher sought to imbue her students with a love of literature.

To 'imbue' someone means to:

implicit

Example: There was implicit trust between them.

What does 'implicit' mean?

incessant

Example: The incessant rain dampened the town’s spirits.

What does 'incessant' mean?

ineffable

Example: The beauty of the sunset was ineffable.

Something 'ineffable' is:

juxtapose

Example: The exhibition juxtaposes modern art with classical pieces.

To 'juxtapose' means to:

lament

Example: The poem laments the passing of youth.

To 'lament' means to:

lucid

Example: Her explanation was lucid and helpful.

A 'lucid' explanation is:

magnanimous

Example: He was magnanimous in victory, praising his opponent.

A 'magnanimous' person is:

malevolent

Example: The malevolent glare sent shivers down her spine.

What does 'malevolent' mean?

meticulous

Example: The scientist kept meticulous records of her experiments.

A 'meticulous' worker is:

nefarious

Example: The villain’s nefarious schemes were uncovered.

What does 'nefarious' mean?

nostalgia

Example: He felt nostalgia as he walked through his old school.

What does 'nostalgia' mean?

obstinate

Example: She remained obstinate despite all the evidence.

An 'obstinate' person is:

ostentatious

Example: The millionaire threw an ostentatious party.

An 'ostentatious' display is:

paradigm

Example: This novel became a paradigm of modern literature.

A 'paradigm' is:

perfunctory

Example: He gave a perfunctory nod before leaving.

A 'perfunctory' action is:

pervasive

Example: The smell of smoke was pervasive in the house.

What does 'pervasive' mean?

placate

Example: The manager placated the customer with an apology.

To 'placate' someone means to:

precocious

Example: The precocious child amazed adults with her vocabulary.

A 'precocious' child is:

prolific

Example: The prolific writer published three novels in a year.

A 'prolific' author is:

quintessential

Example: She is the quintessential romantic heroine.

What does 'quintessential' mean?

resilient

Example: Children are often more resilient than adults expect.

A 'resilient' person is:

sagacious

Example: The sagacious leader guided the team to success.

A 'sagacious' person is:

scrupulous

Example: He was scrupulous about keeping accurate records.

Someone 'scrupulous' is:

spurious

Example: The claim was dismissed as spurious.

A 'spurious' statement is:

substantiate

Example: The lawyer failed to substantiate his argument with facts.

To 'substantiate' a claim is to:

superfluous

Example: His explanation was superfluous and lengthy.

A 'superfluous' detail is:

tenacious

Example: Her tenacious spirit helped her succeed.

A 'tenacious' person is:

ubiquitous

Example: Smartphones have become ubiquitous in modern society.

Something 'ubiquitous' is:

vacillate

Example: She vacillated between studying law and medicine.

To 'vacillate' means to:

vehement

Example: He gave a vehement denial of the accusation.

A 'vehement' response is:

vindicate

Example: The new evidence vindicated the wrongly accused man.

To 'vindicate' means to:

FAQ

Quick answers to common questions.

Yes. Strong vocabulary improves close reading and expressive writing.
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GCSE Vocabulary You Must Know (2025)