What is another word for sound?

Need synonyms for sound? Here's a list of similar words from our thesaurus that you can use instead.

Adjective
Sturdy and stable in nature
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“It is a very sound building that has held up well despite the elements.”
Adjective
Based on reason or good judgment
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“I try to believe that there is a sound reason for making the design choices we do.”
Adjective
Competent or reliable in nature
“A sound knowledge of the laws of tennis is a definite prerequisite for becoming a ball boy.”
Adjective
In good health
“I finally arrived home, safe and sound.”
Adjective
(of finances) Financially secure or stable
“I have to commend your business on its sound finances.”
Adjective
(of sleep) Deep and undisturbed in nature
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“After a laborious day, I was exhausted and fell into a sound sleep.”
Adjective
(of a defeat or beating) Severe in nature
“The team was unprepared and suffered a sound defeat.”
Adjective
Not romantic
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Adjective
Firm, strong, or substantial
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Adjective
Real and exactly what it appears to be
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Adjective
Of, characterized by, or consisting of (incontrovertible) facts
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Adjective
(attributive to a person) Not posing any risk of harm or hurt
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Adjective
Not damaged or marked in any way
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Adjective
Excellent or splendid
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Adjective
Constructed so as to prevent the passage of water, air, etc.
Adjective
Pleasant and satisfactory
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Adjective
Suitable or moderately good
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Adjective
Significant in degree or intensity
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Adjective
Reliable and unfailing
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Adjective
Meeting standards for safe flight
Adjective
Of or relating to sound
Adjective
Of considerable importance or worth
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Adjective
Producing a profit
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Adjective
Denotes a constructive or productive feeling
Adjective
Full of virtue, having excellent moral character
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Adjective
Not flawed
Adjective
Not able or likely to cause harm
Adjective
Sleeping
Adjective
Strict or harsh in the treatment of others
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Adjective
Involving or characterized by scholarship
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Adjective
Having reached maturity
Adjective
Beneficial to one's health