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Definition of soundly

soundly

/ˈsaʊnd.li/
sound · ly
Adjective:sound
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soundly Lexical Profile

soundly Game Scores & Validity

• adverb

1

In a deep, undisturbed, and peaceful manner (especially with reference to sleeping).

Example

"After the long hike through the mountains, the children slept soundly until morning."

2

Completely, thoroughly, and decisively (especially with reference to a defeat, criticism, or punishment).

Example

"The visiting chess grandmaster soundly defeated all of his challengers in the tournament."

3

In a sensible, well-reasoned, or structurally reliable manner.

Example

"Because the bridge was soundly engineered, it withstood the severe coastal storm without damage."

Synonyms
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Antonyms
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• Rhymes for soundly

• Nearby Words

soundings
soundless
soundlessly
soundly
soundman
soundness
soundproof

Word Origin & Etymology

From Middle English 'soundli', formed from the adjective 'sound' (from Old English 'gesund', meaning 'safe, healthy, or uninjured') plus the adverbial suffix '-ly'.

Cite this Entry

Wordmom. (2026). Definition of Soundly. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/soundly
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