English Reference

Word

weakness

Phoneticsweak·ness, stress on the first syllable

US/ˈwiknəs/

UK/wˈiːknəs/

Definitions

01lack of strength

B1 · Intermediate Uncountable noun

n. the state of not being strong, either in your body or your character.

n. the state or condition of lacking physical strength, mental resolve, or moral power.

“After the long illness, he felt a great deal of weakness in his legs.”

“The regime's inherent weakness became apparent when it failed to respond effectively to the initial wave of peaceful protests.”

Usage

uncountable in this general sense

Synonyms

frailtyfeeblenessfragility

02a fault or defect

B2 · Upper Intermediate Countable noun

n. a specific part of someone's character or a thing that is not good enough.

n. a specific flaw, shortcoming, or disadvantage in a person, argument, or object.

“The coach pointed out several weaknesses in the team's defense.”

“While the essay was well-researched, its primary weakness lay in the author's failure to address conflicting evidence from recent studies.”

Usage

countable; often used when evaluating performance or plans

Synonyms

flawshortcomingdefect

03a special fondness

B2 · Upper Intermediate Countable noun

n. a strong liking for something that you find hard to resist, even if it is not good for you.

n. a particular fondness or inability to resist something indulgent.

“I have a real weakness for chocolate cake after dinner.”

“Despite his disciplined lifestyle, he confessed to having a lifelong weakness for expensive Italian leather shoes.”

Usage

usually follows the pattern 'a weakness for [something]'

Antonyms

Collocations

Common phrases and expressions where native English speakers use the word “weakness” in context.

Verb

01. identify weakness

“The manager met with each employee to identify weaknesses in the current workflow.”

verb + noun

02. weakness identify

Real-World Examples

“I like all of these politicians and their campaign people, see their strengths and weaknesses, and always try to remember they are human.”
Toronto Sun 14 Aug 2026
“That tension exposed a weakness in the early generations of machine-based search.”
Ars Technica 7 Aug 2026
“Madrid says any weakness in hiring reflects more than the impact of AI.”
BBC News 4 Aug 2026

Etymology

From Middle English wayknesse, weykenesse, replacing earlier Middle English wocnesse, wakenes, wacnesse (“weakness”), from Old English wācnes (“weakness”). Equivalent to weak + -ness.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

NOUN

weakness(B2)

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
Frequency
Common
Level
B2 · Upper IntermediateOxford
Updated

QR code

englishreference.com/q/weakness

English Reference