See limpid in Webster's New World Roget's A-Z Thesaurus II
adjective
Admitting light so that objects beyond can be seen:
clear, crystal clear, crystalline, lucid, pellucid, see-through, translucent, transparent. See clearFree from what obscures or dims:
clear, crystal clear, crystalline, lucid, pellucid, see-through, transparent. See clear, touch
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