'overburden' definitions:

Definition of 'overburden'

(from WordNet)
noun
The surface soil that must be moved away to get at coal seams and mineral deposits
noun
An excessive burden [syn: overload, overburden]
verb
Burden with too much work or responsibility
verb
Load with excessive weight

Synonyms of 'overburden'

From: Moby Thesaurus

Words containing 'overburden'