Find Antonyms

shortwave Antonyms

Opposite of shortwave

Because the opposite of shortwave shifts with each meaning, the antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast strength.
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• adjective (Context 1)

Relating to, transmitting, or receiving radio waves with wavelengths between approximately 10 and 100 meters.

Usage Example

"The expedition team carried a portable longwave receiver to monitor international weather reports."

Strongest
longwave

• noun (Context 2)

A radio wave with a wavelength between approximately 10 and 100 meters (corresponding to frequencies of about 3 to 30 megahertz), used especially for long-distance broadcasting.

Usage Example

"Amateur radio operators often bounce signals off the ionosphere using longwave to communicate across continents."

Strongest
longwave

Similar words to shortwave

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

high-frequency
See all synonyms of shortwave

• Nearby Words

shortsightedly
shortsightedness
shortsword
shortwave
shorty
shot
shotgun

Cite this Entry

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