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
Mentally calm, having no emotion too strong or too weak
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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
Dependable, or capable of being trusted
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Adjective
Without any imperfections or defects
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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
Adjective
Reliable and unfailing
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
Beneficial to one's health
Adjective
Able or fit to be sold or marketed
Adjective
Giving good value or return in relation to the money, time, or effort expended
Noun
A thing that can be heard
“The shadow quickly disappeared, and the faint sound of fleeing footsteps could be heard.”
Noun
A narrow stretch of water forming an inlet or connecting two wider areas of water