Gain access to thousands of additional definitions and advanced search features—ad free! JOIN NOW
: the act of superseding : the state of being superseded
1764, in the meaning defined above
Medieval Latin supersession-, supersessio, from Latin supersedēre
Keep scrolling for more
Resources for supersession
Time Traveler for supersession
See more words from the same year
More from Merriam-Webster on supersession
See words that rhyme with supersession
Comments on supersession
What made you want to look up supersession? Please tell us where you read or heard it (including the quote, if possible).
a trusted follower
Get Word of the Day daily email!
Difficult Vocab Quiz
Test your knowledge - and maybe learn something along the way.
Test Your Knowledge - and learn some interesting things along the way.
Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!
Cans of worms, wild-goose chases, and more
Words from the week of 11/16/2018
This is just to say / Don't confuse them
What exactly is the 'it' being sufficed?
And is one way more correct than the others?
The story of an imaginary word that managed to sneak past our editors and enter the dictionary.
How to use a word that (literally) drives some people nuts.
The awkward case of 'his or her'
Another round of challenging vocab!
(Secret October WOTD Quiz)
A game of winding words.