- overburden⇄noun 1. too great a burden.
2. (Mining.) clay, rock, or other matter, which has to be removed to get at a deposit of ore. - overburden⇄overburden, verb, noun.
- overburden⇄v.t. to load with too great a burden.
Ex. (Figurative.) A catalogue of the absurdities in which we have indulged under the influence of fear would overburden this document (Bulletin of Atomic Scientists).