1. Relying on an engine for propulsion in addition to muscle power
   "a motor-assisted bicycle"

See also: aided, assisted

• so long
• so much
• so that
• so there
• so to speak
• so what
• so-and-so
• so-called
• so-so
• soak
• soak through
• soak up
• soakage
• soakaway
• soaked
• soaker
• soaking
• soaking up
• soap
• soap bubble
• soap dish
• soap dispenser
• soap film
• soap flakes
• soap opera