Try Our Apps


Fall Head Over Heels...

in situ

[in sahy-too, -tyoo, see-; Latin in sit-oo] /ɪn ˈsaɪ tu, -tyu, ˈsi-; Latin ɪn ˈsɪt u/
adverb, adjective
situated in the original, natural, or existing place or position:
The archaeologists were able to date the vase because it was found in situ.
  1. in place or position; undisturbed.
  2. (especially of a malignant tumor) in a localized state or condition:
    carcinoma in situ.
Origin of in situ
1730-40; < Latin in sitū literally, in place Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
Cite This Source
British Dictionary definitions for in-situ

in situ

/ɪn ˈsɪtjuː/
adverb, adjective (postpositive)
in the natural, original, or appropriate position
(pathol) (esp of a cancerous growth or tumour) not seen to be spreading from a localized position
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 in-situ

in situ

Latin, literally "in its (original) place or position" (see situate (v.)).

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

in situ in si·tu (ĭn sī'tōō)

  1. In the original position.

  2. Confined to the site of origin.

in situ adv.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
in-situ in Culture
in situ [(in seye-tooh, in sit-ooh)]

In the original place or arrangement: “The body was left in situ until the police arrived.” From Latin, meaning “in position.”

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source

Word of the Day

Difficulty index for in situ

Few English speakers likely know this word

Word Value for in

Scrabble Words With Friends

Nearby words for in-situ