Thesaurus

retroactive

adjective

Synonyms & Antonyms of retroactive

See the Dictionary Definition 

Keep scrolling for more

Learn More about retroactive

Time Traveler for retroactive

Time Traveler

The first known use of retroactive was in 1611

See more words from the same year

Statistics for retroactive

Last Updated

24 Feb 2020

Cite this Entry

“Retroactive.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/retroactive. Accessed 29 Mar. 2020.

Keep scrolling for more

More from Merriam-Webster on retroactive

Dictionary: Definition of retroactive

Rhyming Dictionary: Words that rhyme with retroactive

Medical Dictionary: Definition of retroactive

Spanish Central: Translation of retroactive

Nglish: Translation of retroactive for Spanish Speakers

Britannica English: Translation of retroactive for Arabic Speakers

Comments on retroactive

What made you want to look up retroactive? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

March 2020 Words of the Day Quiz

  • field of crocuses
  • Which is a synonym of rectitudinous?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Syn City

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!