Daisy: What's limpid as in "he gazed into her limpid eyes", L-I-M-P-I-D?
Onslow: Limpid eyes?
Daisy: That's what it says here.
Onslow: Almost certainly a disease of the retina; little scabs on retina. You get it from reading too many library books and ignoring your close relatives who are dying for a cup of tea.
BBC. Keeping Up Appearances, season 2: The Toy Store.
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Queen: [Angrily] Don't crowd Sir Walter, Edmund.
Sir Walter: Twice, last week, I fought in hand-to-hand combat with a man with two heads and no body hair. I'll warrant, the most exciting thing that has happened to that limpid prawn in a whole year, was the day his servant forgot to put sugar in his porridge.
BBC. Blackadder, season 2: Potato
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The river was crossed by a rickety little bridge of logs, and exactly below it in the clear, limpid water was a shoal of broad-headed mullets.