[ dih-tach-muhnt ]
See synonyms for detachment on
  1. the act of detaching.

  2. the condition of being detached.

  1. aloofness, as from worldly affairs or from the concerns of others.

  2. freedom from prejudice or partiality.

  3. the act of sending out a detached force of troops or naval ships.

  4. the body of troops or ships so detached.

Origin of detachment

From the French word détachement, dating back to 1660–70. See detach, -ment

Other words for detachment

Other words from detachment

  • non·de·tach·ment, noun
  • pre·de·tach·ment, noun

Words Nearby detachment Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use detachment in a sentence

British Dictionary definitions for detachment


/ (dɪˈtætʃmənt) /

  1. indifference to other people or to one's surroundings; aloofness

  2. freedom from self-interest or bias; disinterest

  1. the act of disengaging or separating something

  2. the condition of being disengaged or separated; disconnection

  3. military

    • the separation of a small unit from its main body, esp of ships or troops

    • the unit so detached

  4. Canadian a branch office of a police force

  5. logic the rule whereby the consequent of a true conditional statement, given the truth of its antecedent, may be asserted on its own: See also modus ponens

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