What does "stationary" mean?

One who, or that which, is stationary, such as a planet when apparently it has neither progressive nor retrograde motion.

What is a synonym for "stationary"?

Common synonyms include: abiding, adamant, adamantine, astatic, at a standstill, at anchor.

Pronounced //ˈsteɪʃəˌnɛɹi//.

/ˈsteɪʃəˌnɛɹi/ adj, noun

adj, noun ·Common ·High school level

Noun

1
One who, or that which, is stationary, such as a planet when apparently it has neither progressive nor retrograde motion. obsolete, rare
"As also, that then they [the planets] are Stationaries in their houses which be in the middle points of the latitudes, which they cal eclipticks."
2
Misspelling of stationery. alt-of, misspelling

Adjective

1
Not moving. not-comparable
"The train remained stationary for a few moments, before lurching forward along the track."
2
Incapable of being moved. not-comparable
3
Unchanging. not-comparable

Adjective

"The population remains stationary."

From Latin stationarius, from statio, ultimately from stō (“to stand”). Doublet of stationer.

Stationary vs Stationery: Avoid a Costly Typo

Use stationary and stationery correctly in business and school writing.