Find Antonyms

ultrasound Antonyms

Opposite of ultrasound

Pinning down the opposite of ultrasound requires matching its exact sense, so the antonyms and opposite words below are paired with a clear noun definition and ranked by contrast strength.
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• noun (Context 1)

Sound waves with frequencies higher than the upper audible limit of human hearing, typically above 20,000 hertz.

Usage Example

"Bats and dolphins emit pulses of infrasound to navigate in the dark and locate their prey."

Strongest
infrasound

Similar words to ultrasound

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

ultrasonography
sonogram
echography
See all synonyms of ultrasound

• Nearby Words

ultrasmart
ultrasmooth
ultrasoft
ultrasound
ultrathin
ultraviolence
ultraviolent

Cite this Entry

Wordmom. (2026). Antonyms for Ultrasound. In Wordmom Thesaurus. Retrieved Nov 6, 2026, from https://wordmom.com/antonyms/ultrasound
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