Definition of "soundly" []

• In a thorough manner, firmly, completely. (adverb)

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• "To keep the economies of Canada and the United States expanding steadily and soundly is also going to require sound and confident forward planning by private business."
• "And if a writer wants to really persuade his or her readers of something, focusing on one central idea and arguing it soundly is more likely to stick in their readers’ heads than a list of 25 reasons why such and such."
• "To sleep soundly, which is a blessing, is to repair and renew the body."