sta·tion·ary 
/ˈsteɪʃəˌneri, Brit ˈsteɪʃənri/ adjective
/ˈsteɪʃəˌneri, Brit ˈsteɪʃənri/ adjective 1 : not moving : staying in one place or position
▪ stationary machinery ▪ shooting at stationary objects/targets ▪ The weather front has remained stationary over the Southeast. 2 : not changing
▪ a stationary [=stable] population
▪ stationary machinery ▪ shooting at stationary objects/targets ▪ The weather front has remained stationary over the Southeast.
▪ a stationary [=stable] population
Do not confuse stationary with stationery.
