1. Of or relating to or containing sulphur
   "sulphuric esters"
   - sulfuric [N. Amer]

See also: sulphur [Brit, Cdn]

• importing
• importunate
• importunately
• importune
• importunity
• imposable
• impose
• imposed
• imposer
• imposing
• imposingly
• imposition
• impossibility
• impossible
• impossible action
• impossibleness
• impossibly
• impost
• imposter
• impostor
• imposture
• impotence
• impotency
• impotent
• impotently