Sonic meaning

sŏn'ĭk
The definition of sonic is something related to sound or the speed of sound.

An example of something sonic is a boom from an airplane that broke the speed of sound.

adjective
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Of or relating to audible sound.

A sonic wave.

adjective
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Of or having to do with sound.
adjective
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Extremely exciting and fast-paced.

A sonic lifestyle.

adjective
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Having a speed approaching or being that of sound in air, about 1,220 kilometers (760 miles) per hour at sea level.
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Designating or of a speed equal to the speed of sound (about 1,220 km per hour, or 760 mph, through air at sea level at room temperature)
adjective
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Of or relating to sound.
adjective
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Having a speed approaching that of the speed of sound in air.
adjective
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Origin of sonic

  • From Latin sonus a sound swen- in Indo-European roots
    From American Heritage Dictionary of the English Language, 5th Edition
  • From Latin sonus.
    From Wiktionary