indefeasible

adjective
in·de·fea·si·ble | \ˌin-di-ˈfē-zə-bəl \

Definition of indefeasible 

: not capable of being annulled or voided or undone an indefeasible right

Keep scrolling for more

Other Words from indefeasible

indefeasibility \ˌin-di-ˌfē-zə-ˈbi-lə-tē \ noun
indefeasibly \ˌin-di-ˈfē-zə-blē \ adverb

Did You Know?

We acquired "indefeasible" in the mid-16th century by combining the English prefix in- ("not") with "defeasible," a word borrowed a century earlier from Anglo-French. "Defeasible" itself can be traced to an Old French verb meaning "to undo" or "to destroy." It's no surprise, then, that something indefeasible is essentially "un-undoable" or "indestructible." Another member of this family of words is feasible, meaning "capable of being done or carried out." Ultimately, all three - "indefeasible," "defeasible," and "feasible" - can be traced back to the Latin verb facere, meaning "to do."

First Known Use of indefeasible

1548, in the meaning defined above

Keep scrolling for more

Learn More about indefeasible

Share indefeasible

Listen to Our Podcast about indefeasible

Statistics for indefeasible

Look-up Popularity

Time Traveler for indefeasible

The first known use of indefeasible was in 1548

See more words from the same year

Keep scrolling for more

More Definitions for indefeasible

indefeasible

adjective
in·de·fea·si·ble | \ˌin-di-ˈfē-zə-bəl \

Legal Definition of indefeasible 

: not capable of being annulled or voided an indefeasible right

Other Words from indefeasible

indefeasibly adverb

More from Merriam-Webster on indefeasible

See words that rhyme with indefeasible

Comments on indefeasible

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

WORD OF THE DAY

evasion of direct action or statement

Get Word of the Day daily email!

Test Your Vocabulary

Great Scrabble Words—A Quiz

  • scrabble-tiles-that-read-scrabble-quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Citation

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!