In a warning manner; in such a way as to warn(adverb)
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Use "warningly" in a sentence
""For God's sake, take the count!" one of Joe's seconds cried warningly from the edge of the ring."
"Some one called warningly from the opposite bank, whereat they stood still and conferred together."
"[Illustration: His jaw closed fast, -- and in the same instant his outstretched hand smashed down upon the wine glass] "Tom!" he called warningly, and he laid his hand on Blake's shoulder."