English Reference

Word

redundant

Phoneticsre·dun·dant, stress on the second syllable

US/ɹɪˈdəndənt/

UK/ɹɪdˈʌndənt/

Definitions

01no longer needed

B2 · Upper Intermediate

adj. not needed anymore because there is already enough of something or it has been replaced.

adj. exceeding what is necessary or natural; superfluous to requirements.

“The new bridge made the old ferry service redundant.”

“The rapid advancement of automated software has rendered many traditional manual data-entry tasks redundant within the accounting department.”

02losing a job

B2 · Upper Intermediate British English

adj. losing your job because your employer no longer needs anyone to do that work.

adj. dismissed from employment because the role is no longer required by the employer.

“He was made redundant after the factory closed down.”

“Following the merger, the company announced that two hundred staff members would be made redundant to reduce operating costs.”

Usage

Commonly used in the phrase 'to be made redundant'.

Pitfall

He was redundant from his job.

He was made redundant.

In British English, 'redundant' is usually used with the verb 'make' in the passive voice.

Teaching tip

This is the standard term in the UK and Australia for being laid off; Americans usually say 'laid off' instead.

Synonyms

laid offunemployed

Antonyms

03repetitive writing

C1 · Advanced Academic

adj. using more words than you need to explain something.

adj. characterised by unnecessary repetition in expressing ideas; pleonastic.

“The phrase 'tasty and delicious' is redundant because the words mean the same thing.”

“The editor suggested removing the final paragraph, arguing that the points made were redundant and added little to the overall thesis.”

Synonyms

repetitivewordyverbose

Antonyms

04safety backup

C1 · Advanced Technology Technical

adj. having a second part ready to work if the first part fails.

adj. relating to a component or system that acts as a backup to ensure continued operation in the event of a failure.

“The aircraft has redundant power systems to keep it flying if one engine fails.”

“To prevent data loss, the server architecture includes redundant hard drives that mirror information in real time.”

Usage

Often used in engineering and computing contexts.

Synonyms

Real-World Examples

“Trent College then informed Randall it wanted to reduce the chaplaincy role to seven hours, term-time only, which he did not accept and was therefore made redundant.”
BBC News 10 Sept 2026
“Cian Halliday, 26, a carpenter from Llanrug, had been made redundant during the Covid-19 pandemic, something he said had been "difficult, and a struggle".”
BBC News 7 Sept 2026

Etymology

From Latin redundāns, present participle of redundō (“to overflow, redound”), from red- (“again, back”) + undō (“to surge, flood”), from unda (“a wave”).

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

Synonyms

Antonyms

Word family

ADJECTIVE

redundant(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
Frequent
Level
B2 · Upper Intermediate
Updated

QR code

englishreference.com/q/redundant

English Reference