limpid

adj

1. clear, transparent, transpicuous, crystal-clear, crystalline, crystal, glassy, glass-like, hyaline, vitreous, see-through; (of air) pure, unpolluted, sunny, sunshiny, shiny, bright; pellucid, translucent, lucent, diaphanous, sheer, thin.

2. lucid, perspicuous, clear as day, plain, plain as day, plain as the nose on your face, plain-spoken, simple, straightforward, exoteric; intelligible, understandable, comprehensible, comprehendible, apprehensible, ascertainable, perceptible, discernible; coherent, rational, logical, reasonable, pervious; clear-cut, distinct, explicit, precise, exact, sharp, express, articulate, well-defined, well-spoken, well-written, graphic; obvious, evident, self-evident, apparent, manifest, salient, palpable, patent; unambiguous, unconfused, unquestionable.

3. serene, placid, tranquil, pacific, calm, still, peaceful, halcyon, quiet, quiescent, irenic, composed, sedate; undisturbed, unperturbed, unruffled, unagitated, unshaken, undistressed, unworried, untroubled.