whirlwind Get Printable Handwriting (whirl-wind) 2 syllables Learn It! Spelling Test Definition noun. of or like a small storm in which a column of air turns rapidly around a central axis as the storm moves forward.adjective. very fast Example Sentence She had a whirlwind visit to New York. Synonyms very fast; cyclonic; hasty; hurricane; impetuous Antonyms slow Share with your friends: