Share this entry

sequester Line breaks: se¦ques|ter
Pronunciation: /sɪˈkwɛstə/

Definition of sequester in English:


[with object]
1Isolate or hide away: she is sequestered in deepest Dorset the artist sequestered himself in his studio for two years
More example sentences
  • In fact, practically every story written on her lately has breathlessly played up how she sequestered herself in a cabin in the woods near Ottawa in the months leading up to making the album.
  • He then sequestered himself in a cave for nine years and sat gazing at the wall.
  • So they actually bought their own small roulette wheel, sequestered themselves in their rooms at the Pension Russe, spent hours practicing, and returned to play day after day.
isolate oneself, hide oneself away, shut oneself away, seclude oneself, cut/shut oneself off, set oneself apart, segregate oneself;
closet oneself, withdraw oneself, remove oneself, retire
2 another term for sequestrate. their property was sequestered by Parliament
More example sentences
  • After the war in 1944 German property in Belgium was sequestered, and the shares in the subsidiary sold.
  • That runs counter to the finding of the judge that he has realisable assets in a certain amount in excess of those sums which have been sequestered.
  • Hence, several farms have not been able to sell their milk, which was sequestered by the local health authorities and destroyed.
3 Chemistry Form a chelate or other stable compound with (an ion, atom, or molecule) so that it is no longer available for reactions: non-precipitating water softeners use complex phosphates to sequester calcium and magnesium ions (as adjective sequestering) the organic sequestering agent EDTA
More example sentences
  • Such reversible, switchable metal-ion binding activity will lead to systems that can sequester metal ions while in the avid form and to systems that can exchange metal ions rapidly while in the other.
  • We observed subunit dissociation directly in excess vitamin D binding protein to sequester monomers and preclude association reactions.
  • One of the interesting properties of melanins is their ability to sequester metal ions.


US Back to top  
A general cut in government spending: if the budget deal hadn’t gone through, there would have been a sequester of at least $100 billion
More example sentences
  • And what we ended up with by default was this sequester and the fiscal cliff because the parties as currently arranged, couldn't make a deal on stimulus.
  • If Congress wants to help the U.S. economy, the best thing it can do right now is implement this sequester.
  • Now Washington is less than two weeks away from austerity in the form of the sequester.


Late Middle English: from Old French sequestrer or late Latin sequestrare 'commit for safekeeping', from Latin sequester 'trustee'.

Words that rhyme with sequester

arrester, Avesta, Chester, contester, ester, Esther, fester, fiesta, Hester, investor, jester, Leicester, Lester, molester, Nestor, pester, polyester, protester, quester, semester, siesta, sou'wester, suggester, tester, trimester, vesta, zester

Definition of sequester in:

Share this entry


What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day fortissimo
Pronunciation: fôrˈtisəˌmō
(especially as a direction) very loud or loudly