The word "soundly" is spelled as /ˈsaʊndli/. The first syllable "sound" is pronounced with the diphthong /aʊ/ as in "cow". The second syllable "ly" is pronounced with the vowel /i/ as in "bit". The spelling of this word reflects its meaning, which means to sleep deeply and without disturbance. The "sound" in "soundly" refers to sound sleep, while the suffix "-ly" indicates how the sleep is taking place, that is deeply and without interruptions.
Soundly is an adverb that refers to the manner in which something is done or experienced. It is commonly used to describe an action, condition, or event that is complete, thorough, or well-established, without any doubts, flaws, or uncertainties.
When used in the context of sleeping, "soundly" suggests a deep and undisturbed sleep, characterized by a lack of interruption or disturbance. It implies a high quality of rest, often associated with feeling refreshed and revitalized upon waking up.
In terms of reasoning or judgment, "soundly" indicates a strong and logical basis. It implies that an argument or decision is well-founded, valid, and reliable. When someone is said to think soundly, it suggests they possess clarity of thought, critical thinking skills, and the ability to reach well-supported conclusions.
Another usage of "soundly" is related to physical health. If someone is described as being in sound health, it means they are in good overall condition, with no significant ailments or weaknesses. It denotes a robust and well-maintained state of physical well-being.
Overall, "soundly" denotes a sense of excellence, solidity, and reliability. It conveys the impression that something is complete, secure, or trustworthy, and reflects a high level of credibility or effectiveness in various domains such as sleep, reasoning, or health.
Healthily; heartily.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
The word "soundly" derives from the Middle English word "sōundli" which was formed by combining the words "sōund" meaning "healthy, whole" and "-li" which formed an adverbial suffix. The word "sound" itself originated from the Old English word "gesund", meaning "whole, uninjured, healthy" or "vigorous, strong". Its etymology can be traced back to the Proto-Germanic word "*sundō". Thus, "soundly" can be understood as meaning "in a sound or healthy manner".