روشن (صفت)
alight, light, bright, on, alive, clean, definite, explicit, express, unequivocal, shrill, vivid, set, transparent, intelligible, sunny, limpid, lucid, clean-cut, distinct, pellucid, clear-cut, cloudless, serene, diaphanous, eidetic, elucidated, fogless, luculent, legible, lightsome, nitid, perspicuous, transpicuous