sonic
/ˈsɒnɪk/
Proposed by a contributor, not yet supported by evidence.
Sense 1
Meaning · English
Of or relating to sound.
Adjective
Examples
a sonic extravagance
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 2
Meaning · English
Having a speed approaching that of the speed of sound in air.
Adjective
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Common questions
What does “sonic” mean?
Of or relating to sound.
Is “sonic” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.