Quiz: Remember the definition of mal de mer?


[ahy-suh-ley-shuh n, is-uh-] /ˌaɪ səˈleɪ ʃən, ˌɪs ə-/
an act or instance of isolating.
the state of being isolated.
the complete separation from others of a person suffering from contagious or infectious disease; quarantine.
the separation of a nation from other nations by isolationism.
Psychoanalysis. a process whereby an idea or memory is divested of its emotional component.
Sociology, social isolation.
1825-35; isolate + -ion
Related forms
anti-isolation, adjective
postisolation, adjective
reisolation, noun
2. See solitude. 3. segregation. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the web for isolation
  • His late years would be less tumultuous, but at a price of personal isolation.
  • He sometimes defended his isolation as necessary to produce his work.
  • He lives there in almost total isolation, as the owners don't know how to care for an ape.
  • We can never again stand aside, prideful in isolation.
  • Ideally, this could eliminate some of the feeling of isolation that is inherent in tutorial-based online learning.
  • Students really do work in isolation with their principal supervisor.
  • On the other hand, even on the coldest days, the campus basks in the warmth of a culture that values cohesion over isolation.
  • My isolation had put distance between me and my students, my department, and my university.
  • The sleep deprivation, isolation, boredom made it all the more worse.
  • Examples of the trend may seem trivial in isolation.
British Dictionary definitions for isolation


the act of isolating or the condition of being isolated
(of a country, party, etc) nonparticipation in or withdrawal from international politics
  1. social separation of a person who has or is suspected of having a contagious disease Compare quarantine
  2. (as modifier): an isolation hospital
(sociol) a lack of contact between persons, groups, or whole societies
(social psychol) the failure of an individual to maintain contact with others or genuine communication where interaction with others persists
in isolation, without regard to context, similar matters, etc
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
Word Origin and History for isolation

1800, noun of action from isolate, or else from French isolation, noun of action from isoler (see isolated).

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
isolation in Medicine

isolation i·so·la·tion (ī'sə-lā'shən)
The act of isolating or the state of being isolated.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Encyclopedia Article for isolation

in medicine, separation of an infected individual (human or animal) from the healthy until that individual is no longer able to transmit the disease. In its strictest sense, the practice of isolation differs from that of quarantine, which is the detention of an individual who may have been exposed to a communicable disease until it is deemed certain that he has escaped infection. See quarantine

Learn more about isolation with a free trial on
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
Cite This Source

Word of the Day

Difficulty index for isolation

Most English speakers likely know this word

Word Value for isolation

Scrabble Words With Friends

Quotes with isolation

Nearby words for isolation