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soundly Synonyms

Another word for soundly

Choosing another word for soundly depends on context, so the 16 synonyms and similar words below are separated across 3 exact definitions and ranked by match strength.
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• adverb (Context 1)

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

Usage Example

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

Strongest
deeply
Strong
peacefully
heavily
fast

• adverb (Context 2)

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

Usage Example

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

Strongest
thoroughly
decisively
completely
Strong
convincingly
resoundingly
roundly

• adverb (Context 3)

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

Usage Example

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

Strongest
sensibly
solidly
Strong
reliably
wisely
judiciously
securely

Opposites of soundly

The opposite of soundly shifts depending on context. Common opposites include:

unsoundly
restlessly
fitfully
lightly
poorly
narrowly
barely
slightly
See all opposites of soundly

• Nearby Words

soundings
soundless
soundlessly
soundly
soundman
soundness
soundproof

Cite this Entry

Wordmom. (2026). Synonyms for Soundly. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/soundly
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