apparent, clean-cut, clear-cut, clear, clear as crystal, clear as day, cloudless, coherent, connected, consistent, crisp, crystal-clear, crystal, crystalline, defined, definite, diaphanous, direct, distinct, explicit, express, light, lightish, lightsome, limpid, loud and clear, lucent, lucid, luculent, luminous, obvious, pellucid, perspicuous, plain, relucent, see-through, semipellucid, semitranslucent, serene, simple, straightforward, translucid, transparent, transpicuous, unambiguous, unclouded, unconfused, unequivocal, univocal, unmistakable, unobscured, well-defined