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Use "vapourous" in a sentence
"I tested the temperature with a puff of breath over the edge of the bedspread, and watched in horror as a vapourous cloud rose toward the ceiling."
"Then on a cloudless and windless day, they will huff and puff away the complete text of Ovid's Metamorphoses — the epic poem translated into vapourous morse code."
"But all this vapourous bleating has given me an idea."