1. Marked by absence of sound
   "soundless footsteps on the grass"
   - silent, still

See also: quiet, soundlessly, soundlessness

• automatic firearm
• automatic gun
• automatic pilot
• automatic pistol
• automatic rifle
• automatic teller
• automatic teller machine
• automatic transmission
• automatic washer
• automatic weapon
• automatically
• automation
• automatise
• automatism
• Automatiste
• automatize
• automaton
• automatonlike
• Automeris
• Automeris io
• automobile
• automobile battery
• automobile driver
• automobile engine
• automobile factory