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stationary

[stey-shuh-ner-ee]
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adjective
  1. standing still; not moving.
  2. having a fixed position; not movable.
  3. established in one place; not itinerant or migratory.
  4. remaining in the same condition or state; not changing: The market price has remained stationary for a week.
  5. geostationary.
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noun, plural sta·tion·ar·ies.
  1. a person or thing that is stationary.
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Origin of stationary

First recorded in 1400–50; late Middle English word from Latin word statiōnārius. See station, -ary
Related formsnon·sta·tion·ar·y, adjective, noun, plural non·sta·tion·ar·ies.qua·si-sta·tion·ar·y, adjectiveun·sta·tion·ar·y, adjective
Can be confusedstationary stationery
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for unstationary

stationary

adjective
  1. not moving; standing still
  2. not able to be moved
  3. showing no changethe doctors said his condition was stationary
  4. tending to remain in one place
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Derived Formsstationarily, adverbstationariness, noun

Word Origin

C15: from Latin statiōnārius, from statiō station

confusable

Avoid confusion with stationery
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

Word Origin and History for unstationary

stationary

adj.

late 14c., in relation to planetary motions, from Latin stationarius, in classical Latin, "of a military station," from statio (see station).

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Online Etymology Dictionary, © 2010 Douglas Harper