Find Antonyms

soundly Antonyms

Opposite of soundly

Because the opposite of soundly shifts with each meaning, the 10 antonyms and opposite words below are separated across 3 exact definitions and ranked by contrast 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 fitfully until morning."

Strongest
fitfully
restlessly
lightly

• adverb (Context 2)

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

Usage Example

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

Strongest
narrowly
Strong
barely
slightly

• adverb (Context 3)

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

Usage Example

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

Strongest
unsoundly
poorly
Strong
flimsily
foolishly

Similar words to soundly

Words similar to soundly shift depending on context. Common synonyms include:

thoroughly
deeply
sensibly
decisively
solidly
completely
convincingly
peacefully
See all synonyms of soundly

• Nearby Words

sounding
soundless
soundlessly
soundly
soundness
soundscape
soup

Cite this Entry

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