subsonic

/ˈsʌbˌsɑnɪk/
IPA guide

Other forms: subsonically

Definitions of subsonic
  1. adjective
    (of speed) less than that of sound in a designated medium
    “aircraft flying at subsonic speeds”
    see moresee less
    antonyms:
    sonic
    (of speed) having or caused by speed approximately equal to that of sound in air at sea level
    supersonic
    (of speed) greater than the speed of sound in a given medium (especially air)
    show more antonyms...
Cite this entry
Style:
MLA
  • MLA
  • APA
  • Chicago

Copy citation
DISCLAIMER: These example sentences appear in various news sources and books to reflect the usage of the word ‘subsonic'. Views expressed in the examples do not represent the opinion of Vocabulary.com or its editors. Send us feedback
Word Family