English Reference
adjective

redundant

adj.
US /ɹɪˈdəndənt/ UK /ɹɪdˈʌndənt/ re·dun·dant

  1. 01 B2 Upper Intermediate

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

    exceeding what is necessary or natural; superfluous to requirements.

    Simple

    The new bridge made the old ferry service redundant.

    In context

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

  2. 02 B2 Upper Intermediate British English

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

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

    Simple

    He was made redundant after the factory closed down.

    In context

    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'.

    Teacher's tip

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

    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.

    laid offunemployed
  3. 03 C1 Advanced Academic

    using more words than you need to explain something.

    characterised by unnecessary repetition in expressing ideas; pleonastic.

    Simple

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

    In context

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

    repetitivewordyverbose
  4. 04 C1 Advanced Technical Technical

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

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

    Simple

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

    In context

    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.

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

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.

This entry
Origin Latin redundāns
Level B2 · Upper Intermediate
Frequency Frequent
Updated