Entry 2 senses · 2 variants Webster, 1913 Overburden /ōv'-ẽrb-ẽrd'-ən/ · O·ver·bur·den · IPA /ˌoʊvɚˈbɝdn̩/ v. t. n. 01 v. t. To load with too great weight or too much care, etc. 1. To load with too great weight or too much care, etc. 02 n. The waste which overlies good stone in a quarry. 1. The waste which overlies good stone in a quarry.