stationary

Staying in one place without moving.

• The car remained stationary.
• She exercises on a stationary bike.
• The train was stationary for twenty minutes.

Similar words: still, motionless

Opposites: moving

Common phrases: remain stationary, stationary car, stationary bike

Fixed in one place so that it cannot be moved.

• The factory uses a stationary engine.
• This stationary machine cannot be carried to another site.
• The stationary equipment is fixed to a concrete base.

Similar words: immovable, fixed

Opposites: movable, portable

Common phrases: stationary engine, stationary equipment, stationary machine

Remaining at the same level or in the same condition over time.

• Prices have remained stationary.
• The study assumed a stationary population.
• Despite rising costs, wages were stationary throughout the year.

Similar words: unchanging, constant, stable

Opposites: changing

Common phrases: stationary population, stationary prices, stationary level