transitive verb
\ ¦rē+\

Definition of re-refine

: to refine (used motor oil) in order to produce a clean usable lubricant

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Other Words from re-refine

re-refiner \ "+ \ noun

First Known Use of re-refine

1941, in the meaning defined above

History and Etymology for re-refine

re- + refine entry 1

Keep scrolling for more

Learn More about re-refine

Statistics for re-refine

Look-up Popularity

Time Traveler for re-refine

The first known use of re-refine was in 1941

See more words from the same year

Comments on re-refine

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


marked by fawning attentiveness

Get Word of the Day daily email!

Test Your Vocabulary

What did you just call me?! A Quiz

  • rows-of-various-emoji
  • If a member of the audience describes your speech as bombastic, does that person mean it is:
Spell It

Can you spell these 10 commonly misspelled words?

Add Diction

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


Love words? Need even more definitions?

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