(Britain) A garment worn over other clothing to protect it; a coverall or boiler suit. A garment, for manual labor or for casual wear, often made of a single piece of fabric, with long legs and a bib upper, supported from the shoulders with straps, and having several large pockets and loops for carrying tools.

(uncountable) The act of overdrawing a bank account. / (countable) The amount overdrawn. / (countable) The maximum amount that may be overdrawn.

(transitive) To extract groundwater from (an aquifer) beyond the safe yield or equilibrium yield.

An excessive and dangerous dose of a drug.

(transitive) To dose to excess; to give an overdose, or too many doses, to. / (intransitive) To dose excessively, to take an overdose. / (intransitive, figuratively) To indulge in something excessively.

(nautical) Outside of a boat; in the water.

Over the edge; especially, off or outside of a boat. / Excessively; too much.

(transitive) To throw over the edge of a boat into the water.

(nautical) A cry used to announce that one of the crew or passengers has fallen over the side of the vessel.

(transitive) To drive too hard, or far, or beyond strength.