(astronomy, NASA, US) Initialism of Mars Exploration Program. / (education, Singapore) Initialism of Music Elective Programme. / (building industry) Initialism of Mechanical, Electrical and Plumbing.

(EU, politics) Initialism of Member of the European Parliament. / Acronym of mean effective pressure.

plural of MEP

(US, military) Initialism of Military Entrance Processing Command.

Foul-smelling or noxious, particularly of a gas or atmosphere.

Showing the cunning or ingenuity or wickedness typical of a devil.

The Devil to whom Faust sold his soul in the legend.

A fiendish person, especially one who tricks someone into following a destructive or disastrous course of action; a tempter.

(chemistry, obsolete) Any of various gases considered noxious to humans, including carbon dioxide and nitrogen.

(pharmacology) The United States Adopted Name of pethidine.