ppl. a. (UN-1 10.)

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1819.  Metropolis, III. 209. Her habit, her unadvancing air of modest timidity,… all conspired to render her irresistible.

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1850.  L. Hunt, Autobiog., III. xxv. 267. Let the imagination of him who thinks otherwise sit for ever with his unadvancing legs in the ditches of his ancestors.

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