chōon soku
1. supersonic speed
★ Common
Noun
#71482
1. supersonic speed
1. Not supersonic; Not faster than sound
1. Supersonic
1. Supersonic; At supersonic speed
1. If supersonic; When supersonic
1. Was supersonic.
1. Supersonic, likely.; Probably supersonic.
1. Supersonic.; Is supersonic.
1. Was not supersonic.; Was not faster than sound.
1. Supersonic, likely.; Probably supersonic.