illuminated

UK: /ɪˈluːmɪneɪtɪd/

From the verb illuminate: (⇒ conjugate)

illuminated is: ⓘ

v past

v past p

WordReference Random House Learner's Dictionary of American English © 2025

il•lu•mi•nate /ɪˈluməˌneɪt/   v. [~ + object] , -nat•ed, -nat•ing. 

1. to supply or brighten with light;
   light up:
   The streets were well illuminated.
2. to decorate with lights:
   streets illuminated for the holidays.
3. to make clear;
   clear up;
   clarify:
   illuminated many difficult points.

WordReference Random House Unabridged Dictionary of American English © 2025

il•lu•mi•nate  (v. i lo̅o̅′mə nāt′;adj., n. i lo̅o̅′mə nit, -nāt′), v., -nat•ed, -nat•ing, adj., n. 
v.t. 

1. to supply or brighten with light;
   light up.
2. to make lucid or clear;
   throw light on (a subject).
3. to decorate with lights, as in celebration.
4. to enlighten, as with knowledge.
5. to make resplendent or illustrious:
   A smile illuminated her face.
6. to decorate (a manuscript, book, etc.) with colors and gold or silver, as was often done in the Middle Ages.

v.i. 

7. to display lights, as in celebration.
8. to become illuminated.

adj. 

9. [Archaic.] illuminated.
10. [Obs.] enlightened.

n. 

11. [Archaic.] a person who is or affects to be specially enlightened.

• Latin illūminātus (past participle of illūmināre to light up, brighten). See illumine, -ate¹
• late Middle English 1400–50

il•lu′mi•nat′ing•ly, adv. 
Synonyms

• 2. clarify, explain, elucidate.

Collins Concise English Dictionary © HarperCollins Publishers::

illuminate verb / ɪˈluːmɪˌneɪt/

1. (transitive) to throw light in or into; light up
2. (transitive) to make easily understood; clarify
3. to adorn, decorate, or be decorated with lights
4. (transitive) to decorate (a letter, page, etc) by the application of colours, gold, or silver
5. (intransitive) to become lighted up

adjective / ɪˈluːmɪnɪt -ˌneɪt/

1. made clear or bright with light; illuminated

noun / ɪˈluːmɪnɪt -ˌneɪt/

1. a person who has or claims to have special enlightenment

Etymology: 16th Century: from Latin illūmināre to light up, from lūmen light

ilˈluminative adjective

ilˈlumiˌnator noun