illustrious

illustrious — adjective

1. describes a person, career, or achievement that is so outstanding that it earns

1.adjectiveB2
Definition

describes a person, career, or achievement that is so outstanding that it earns widespread recognition and deep respect from others — for example, an illustrious professor with decades of groundbreaking research.

Example

Adaeze's grandfather had an illustrious career as a diplomat in West Africa.

collocation: illustrious career

The university invited several illustrious scholars to give lectures on climate science.

collocation: illustrious scholars

Common collocations
  • illustrious career
  • illustrious reputation
  • illustrious scholars
  • illustrious service
  • illustrious family
  • illustrious history
  • illustrious past
Synonyms
  • distinguished

    very similar in meaning; 'distinguished' can also suggest dignity or an honoured status from a specific position

  • eminent

    slightly more formal; focusses on being highly respected within a particular field

  • renowned

    emphasises being widely known and talked about, often across a broad audience

  • celebrated

    focusses on being publicly praised and honoured, often in the arts or culture

Antonyms

Usage Note

Typically used in formal or written contexts. Unlike 'famous', which can be neutral or negative ('notorious'), 'illustrious' is always positive and implies that the person or achievement genuinely deserves admiration.

Common Mistakes

My grandmother had an illustrious garden with many flowers.
My grandmother had a beautiful garden with many flowers.
'illustrious' describes people, careers, or achievements, not ordinary objects.
He is illustrious for telling bad jokes.
He is famous for telling bad jokes.
'illustrious' cannot be used for negative notoriety; use 'famous' or 'notorious' instead.

Word family

  • illustriously
    adverbC1
  • illustriousness
    nounC1

Synonym discussion

Sense: adjective/1

All four words describe someone who is highly respected and well known for their achievements, but they differ in nuance. 'Distinguished' is the closest synonym and often carries a sense of earned dignity from a long career or official position. 'Eminent' leans slightly more formal and is common in academic or professional contexts ('an eminent biologist'). 'Renowned' places stronger emphasis on widespread fame and being talked about by many people. 'Celebrated' highlights public praise and honour, often in cultural fields such as music, art, or literature. A retired judge might be described as 'distinguished' for his long service, while a Nobel-winning scientist is 'eminent' in her field. A novelist whose books sell worldwide is 'renowned', and a filmmaker who wins multiple international awards is 'celebrated'. Choose 'illustrious' when you want the strongest implication of lasting honour and glory attached to a person's entire body of work.

Common collocations

Phrases

  • of illustrious descent
  • of illustrious lineage

Etymology

LatinFrenchEnglish

Illustrious traces back to the Latin word illustris, meaning 'bright, shining, or distinguished'. It was formed from in- (in, on) and lustrare (to light up, illuminate). The literal sense of 'shining with light' was used in ancient Rome for stars and bright objects, and over time the word shifted to a figurative meaning: a person whose achievements 'shine' so brightly that they stand out to everyone. The word entered English through Old French illustre in the 1500s, and by the 1600s it was being used in its modern sense of 'famous and honoured'.