emitting rays of light; shining; bright

the radiant sun; radiant colors.

bright with joy, hope, etc.

radiant smiles; a radiant future.

Physics . emitted or propagated by radiation.

Heraldry .

noting a partition line having a series of flamelike indentations formed by ogees joined in zigzags; rayonny.

(of a charge, as an ordinary) having an edge or edges so formed.

a point or object from which rays proceed.

Astronomy . the point in the heavens from which a shower of meteors appears to radiate.

a refractory absorbing and radiating heat from the flames of a gas fireplace or the like.

adjective

cloudy , dark , dim , dull , sad

adjective

beaming , brilliant , effulgent , gleaming , glittering , glorious , glowing , incandescent , lambent , lucent , lustrous , radiating , refulgent , resplendent , shining , sparkling , sunny , beatific , blissful , bright , cheerful , cheery , delighted , ecstatic , gay , glad , joyful , joyous , rapturous , beamy , irradiant , luminous , shiny , auroral , aurorean , blithe , brilliant. bright , divergent , happy , scintillescent