Origin of invert

1525–35; < Latin invertere to turn upside down or inside out, equivalent to in- in-2 + vertere to turn; see verse

Related forms

Synonym study

2. See reverse.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for invertibility


verb (ɪnˈvɜːt)

to turn or cause to turn upside down or inside out
(tr) to reverse in effect, sequence, direction, etc
(tr) phonetics
  1. to turn (the tip of the tongue) up and back
  2. to pronounce (a speech sound) by retroflexion
logic to form the inverse of a categorial proposition

noun (ˈɪnvɜːt)

  1. a person who adopts the role of the opposite sex
  2. another word for homosexual
  1. the lower inner surface of a drain, sewer, etcCompare soffit (def. 2)
  2. an arch that is concave upwards, esp one used in foundations

Derived Forms

invertible, adjectiveinvertibility, noun

Word Origin for invert

C16: from Latin invertere, from in- ² + vertere to turn
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

Medicine definitions for invertibility


[ ĭn-vûrt ]


To turn inside out or upside down.
To reverse the position, order, or condition of.
To subject to inversion.


Something inverted.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.