English Reference

Word

confusion

Phoneticscon·fu·sion, stress on the second syllable

US/kənˈfjuʒən/

UK/kənfjˈuːʒən/

Definitions

01lack of understanding

B1 · Intermediate Uncountable noun

n. the feeling you have when you do not understand something or when something is not clear.

n. the psychological state of being bewildered or unclear about a situation or information.

“There was some confusion about the new schedule, so many students arrived late.”

“The sudden change in policy caused widespread confusion among the staff, as no clear instructions were provided regarding the transition period.”

Synonyms

02disorder or mess

B2 · Upper Intermediate Uncountable noun

n. a situation where there is no order and everything is messy or unorganised.

n. a state of disorder, chaos, or lack of systematic arrangement.

“In the confusion after the fire alarm, people forgot to grab their coats.”

“The retreat was conducted in utter confusion, with units becoming separated from their commanders in the dense fog.”

03mistaking one for another

B2 · Upper Intermediate Uncountable noun

n. the act of thinking one person or thing is actually another.

n. the act of failing to distinguish between two or more different things; a conflation of identities or concepts.

“To avoid confusion, the twins wore different coloured ribbons in their hair.”

“The legal dispute arose from a confusion between the two similar brand names, leading consumers to believe the products were from the same company.”

Synonyms

04medical disorientation

C1 · Advanced Uncountable noun Medicine Technical

n. a medical condition where a person is not sure who they are or where they are.

n. a clinical state of disorientation regarding time, place, or identity, often associated with cognitive decline or acute illness.

“The doctor noted that the patient's confusion was getting worse in the evenings.”

“Acute mental confusion in elderly patients can often be a primary symptom of an underlying infection rather than a permanent cognitive decline.”

Synonyms

05a group of wildebeest

C2 · Proficiency Countable noun Humorous

n. the special name for a large group of wildebeest.

n. the collective noun specifically used for a herd of wildebeest.

“We watched a confusion of wildebeest crossing the river during the migration.”

“The safari guide pointed out a massive confusion of wildebeest gathering on the plains, preparing for their annual trek northward.”

Synonyms

Collocations

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

Adjective

01. considerable confusion

“The new government regulations have caused considerable confusion among small business owners.”

adj + noun

Real-World Examples

“The most common reason was not confusion, but disbelief: many simply did not see themselves as being at risk.”
UN News 14 Aug 2026
“These rules were all initially rolled out at the World Cup, but still caused confusion in the first round of the Carabao Cup last weekend.”
BBC News 14 Aug 2026
“For some users, this can create confusion or reinforce unhealthy beliefs.”
Phys.org 13 Aug 2026
“On August 16, after Rignol expressed confusion about what was being asked of him and why, Choi responded, “I am asking you to send us the Word file from which the PDF was produced.”
Ars Technica 31 Jul 2026

Etymology

From Middle English confusioun, from Old French confusion, from Latin confusio, confusionem. Morphologically confuse + -ion.

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

Word family

NOUN

confusion(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

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English Reference