Not flying; traveling by means other than flight.(adjective)
Unable to fly, as of a bird.(adjective)
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Use "nonflying" in a sentence
"I have had a number of "nonflying" assignments but readily volunteered to get back into the cockpit and still want to do it again."
"And though the sport is based on flying, the nonflying parts of the competition determine the winner."
"Recognizing this situation, authors who wrote about their air journeys attempted to inform the nonflying public of the advantages and sensations of taking a trip across the country in an airliner."