Definition of stationary in English:


Syllabification: sta·tion·ar·y
Pronunciation: /ˈstāSHəˌnerē


1Not moving or not intended to be moved: a car collided with a stationary vehicle
More example sentences
  • The line of sight stabilisation in elevation and azimuth provides high hit probability for stationary and on the move engagements against stationary and moving targets.
  • The weapon system is stabilised in two axes, which allows the vehicle to engage targets stationary or on the move.
  • The course mostly dealt with giving and taking commands, as well as keeping in formation, and obviously shooting moving and stationary targets.
static, parked, stopped, motionless, immobile, unmoving, still, stock-still, at a standstill, at rest;
not moving a muscle, like a statue, rooted to the spot, frozen, inactive, inert, lifeless, inanimate
1.1 Astronomy (Of a planet) having no apparent motion in longitude.
More example sentences
  • If the planet were stationary, the slow-down effect would be equal to the initial acceleration, so there would be no net gain in speed.
  • After being retrograde since July, the planet appears stationary on the 30th and thereafter returns to normal west to east motion.
  • Polaris, the North Star, appears stationary in the sky because it is positioned close to the line of Earth's axis projected into space.
1.2Not changing in quantity or condition: a stationary population
More example sentences
  • ‘In India the problem is more the standing / stationary condition of the temple elephants,’ says Chiran.
  • When it was assumed that these mutations were neutral, their frequency was higher under shaken than under stationary conditions, possibly due to oxygen stress.
  • When the solution is placed as a thin film under stationary conditions, concentric or spiral wave patterns develop in the solution.


late Middle English: from Latin stationarius (originally in the sense 'belonging to a military station'), from station- 'standing' (see station).


The words stationary and stationery are often confused. Stationary is an adjective that means ‘not moving or not intended to be moved,’ as in his car collided with a stationary vehicle, whereas stationery is a noun that meanswriting and other office materials,’ as in I wrote to my father on the hotel stationery.

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