a. rare. [f. WHIZZ sb. or v. + -Y1.] Characterized by whizzing; fig. (dial.) dizzy, giddy. Hence Whizziness, quality or state of whizzing.

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1839.  Thackeray, Leg. St. Sophia of Kioff, XVIII. 42. The swift arrow’s whizziness causing a dizziness.

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1866.  Thornbury, Greatheart, lviii. I felt all whizzy and sleepy like.

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