ˈstelə(r) adjective
Etymology: Late Latin stellaris, from Latin stella star + -aris — more at star
1.
a. : of, relating to, or derived from the stars : astral
an object of stellar size
stellar light
stellar spectrum
b. : composed of stars
stellar ornamentation
2. : of, relating to, or characteristic of a theatrical, operatic, or film star
building or acquiring stellar names — W.J.Fadiman
3.
a. : chief , leading , principal
given a stellar role
b. : outstanding , preeminent , first-rate
a stellar production