Answer: od

AnswerCrossword Clue
odto take a drug overdose
odused as a mild oath
odoutside dimensions
oda mystical pervasive force, also ODYL, ODYLE
odoverdose of a drug, esp. a fatal one
oda hypothetical force formerly held to pervade all nature and to manifest itself in magnetism, mesmerism, chemical action, etc.
odoutside diameter
odon demand
odoverdraft or overdrawn