1. (of speed) having or caused by speed approximately equal to that of sound in air at sea level
   - sonic

Encyclopedia: Transonic

• aft
• after
• after a fashion
• after all
• after part
• after-hours
• after-school
• afterbirth
• afterburner
• aftercare
• afterdamp
• afterdeck
• aftereffect
• afterglow
• afterimage
• afterlife
• aftermarket
• aftermath
• aftermost
• afternoon
• afternoon tea
• afterpains
• afterpiece
• afters
• aftersensation