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Added 8 October 2026

sound

/ˈsaʊ̯nd/ adjective

In Latin: sanus Wiktionary

adjective Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about sound at Wordnik → Where our words come from →

Healthy.
He was safe and sound.
Complete, solid, or secure.
Fred assured me the floorboards were sound.
Having the property of soundness.

adverb

Soundly.

interjection

Yes; used to show agreement or understanding.
I found my jacket. — Sound.

noun

A sensation perceived by the ear caused by the vibration of air or some other medium.
He turned when he heard the sound of footsteps behind him. Nobody made a sound.
A vibration capable of causing such sensations.
A distinctive style and sonority of a particular musician, orchestra etc.

Origin

From Middle English sound, sund, isund, ȝesund, from Old English sund (“sound, safe, whole, uninjured, healthy, prosperous”), from Proto-West Germanic *sund, from Proto-Germanic *sundaz (“healthy”), merged with synonymous Old English ġesund, from Proto-West Germanic *gasund. Cognate with Scots sound, soun (“healthy, sound”), Saterland Frisian suund, gesuund (“healthy”), West Frisian sûn (“healthy”), Dutch gezond (“healthy, sound”), Low German sund, gesund (“healthy”), German gesund (“healthy, sound”), Danish sund (“healthy”), Swedish sund (“sound, healthy”).

From Wiktionary, via Kaikki.org (CC BY-SA)

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