13+ Vocabulary You Must Know (2025)

High‑yield 13+ words with clear meanings, example sentences, and a quick practice check.

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

Core 13+ Vocabulary Words (50+)

This list focuses on high‑value vocabulary that strengthens comprehension and writing for the 13+ exam. Each entry shows a quick word sense, a clear definition, an example sentence, and a one‑question practice check.

abate

to die down

reduce in intensity or amount

Example: The storm began to abate by evening.

Abate most nearly means…

ambivalent

mixed feelings

having simultaneous and contradictory attitudes or feelings

Example: She felt ambivalent about moving schools.

Ambivalent most nearly means…

pragmatic

practical

dealing with things sensibly and realistically

Example: He suggested a pragmatic plan that used what we had.

Which is pragmatic?

alleviate

ease, lessen

to make suffering or a problem less severe

Example: Extra practice can alleviate exam stress.

Alleviate is closest to…

ubiquitous

everywhere

present, appearing, or found everywhere

Example: Smartphones are ubiquitous among teens.

Ubiquitous most nearly means…

meticulous

very careful

showing great attention to detail; very precise

Example: Her meticulous notes were neat and complete.

Meticulous notes are…

vindicate

clear of blame

to clear from accusation, suspicion, or doubt

Example: The facts vindicated his earlier claim.

To vindicate is to…

didactic

instructive

intended to teach, often with a moral lesson

Example: The story had a didactic message about honesty.

Didactic most nearly means…

esoteric

specialized, obscure

understood by only a small number with specialized knowledge

Example: That was an esoteric physics topic.

Esoteric most nearly means…

censure

strong disapproval

express severe disapproval of, often formally

Example: The council voted to censure the member.

Censure is closest to…

capricious

impulsive, changeable

given to sudden and unaccountable changes of mood or behavior

Example: Her capricious choices made planning hard.

Capricious describes someone who is…

deleterious

harmful

causing harm or damage

Example: Smoking has deleterious effects on health.

Deleterious most nearly means…

aesthetic

beauty‑related

relating to beauty or the appreciation of beauty

Example: The building’s aesthetic design won an award.

Aesthetic relates to…

anomaly

irregularity

something that deviates from what is standard or expected

Example: This warm winter is an anomaly.

Anomaly most nearly means…

bolster

support, strengthen

to support or strengthen

Example: Tutoring can bolster confidence.

Bolster most nearly means…

conjecture

guess, inference

an opinion or conclusion formed on the basis of incomplete information

Example: That theory is still conjecture.

Conjecture most nearly means…

deride

mock, ridicule

to express contempt for; ridicule

Example: Some derided the plan as naive.

To deride is to…

diffident

shy, reserved

modest or shy because of a lack of self‑confidence

Example: He gave a diffident answer in class.

Diffident most nearly means…

eclectic

varied, mixed sources

deriving ideas or style from a broad range of sources

Example: She has eclectic musical tastes.

An eclectic style is…

equivocal

ambiguous

open to more than one interpretation

Example: His equivocal reply avoided commitment.

Equivocal most nearly means…

magnanimous

generous, forgiving

generous in forgiving an insult or injury

Example: She was magnanimous after winning.

Magnanimous most nearly means…

mitigate

lessen, reduce

to make less severe or painful

Example: Seatbelts mitigate injuries.

Mitigate is closest to…

partisan

biased supporter

a strong supporter of a cause; biased

Example: Partisan views can distort debate.

Partisan media is often…

pedantic

overly fussy about rules

excessively concerned with minor details or rules

Example: His pedantic comments slowed us down.

Pedantic most nearly means…

perfunctory

done routinely

carried out with minimum effort or reflection

Example: She gave a perfunctory nod.

A perfunctory task is…

placate

calm down

to make someone less angry or hostile

Example: He placated the upset customer.

Placate most nearly means…

prosaic

dull, ordinary

lacking poetic beauty; commonplace

Example: The essay was clear but prosaic.

Prosaic most nearly means…

reticent

reserved, quiet

not revealing one’s thoughts readily

Example: She was reticent about her plans.

Reticent most nearly means…

sanguine

optimistic

optimistic or positive, especially in a difficult situation

Example: Despite delays, the team stayed sanguine.

Sanguine most nearly means…

spurious

false, fake

not genuine; false

Example: The article used spurious claims.

Spurious most nearly means…

tacit

unspoken

understood or implied without being stated

Example: There was a tacit agreement to start early.

Tacit most nearly means…

zealous

very enthusiastic

having or showing zeal; passionate

Example: Zealous volunteers worked through the night.

Zealous most nearly means…

laconic

using few words

using very few words

Example: His laconic answer ended the debate.

A laconic answer is…

arduous

difficult

involving a lot of effort

Example: Hiking the steep path was arduous.

Arduous most nearly means…

astute

clever

having sharp judgement and insight

Example: She made an astute observation.

Astute is closest to…

boisterous

rowdy

noisy, energetic, and cheerful

Example: The class grew boisterous after lunch.

Boisterous behaviour is…

copious

plentiful

abundant in supply or quantity

Example: She took copious notes.

Copious most nearly means…

credulous

gullible

too ready to believe things

Example: The credulous child believed the tale.

A credulous person is…

dauntless

fearless

showing determination and courage

Example: The dauntless climber continued.

Dauntless most nearly means…

frugal

careful with money

economical; avoiding waste

Example: They live a frugal lifestyle.

Frugal most nearly means…

lucid

clear, easy to follow

expressed clearly; easy to understand

Example: Her instructions were lucid.

Lucid most nearly means…

impartial

fair, unbiased

treating all equally; not favouring one side

Example: The judge remained impartial.

Impartial most nearly means…

succinct

brief

clearly and concisely expressed

Example: Give a succinct summary.

A succinct response is…

ephemeral

short‑lived

lasting for a very short time

Example: The sunset’s colours were ephemeral.

Ephemeral most nearly means…

obstinate

stubborn

stubbornly refusing to change opinion

Example: The child was obstinate about bedtime.

Obstinate most nearly means…

prudent

wise, careful

acting with care and thought for the future

Example: It’s prudent to revise daily.

Prudent most nearly means…

resilient

able to recover

able to withstand or recover quickly

Example: Children are resilient after setbacks.

Resilient most nearly means…

tenacious

persistent

holding firmly; determined

Example: Her tenacious effort paid off.

Tenacious most nearly means…

eloquent

expressive, fluent

fluent or persuasive in speaking or writing

Example: He gave an eloquent speech.

Eloquent most nearly means…

exacerbate

make worse

to make a problem or situation worse

Example: Skipping sleep can exacerbate stress.

Exacerbate most nearly means…

FAQ

Quick answers to common questions.

Aim for 20–40, reviewed with spaced repetition and weekly recap.
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13+ Vocabulary You Must Know (2025)