Underburden

noun, verb

noun, verb ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The rock and subsoil that lies below a mineral deposit such as a coal seam. countable, uncountable

    "Much of the heat introduced with the steam is lost to the overburden and to the underburden by thermal conduction in the manner discussed earlier."

Verb
  1. 1
    To give too light a burden; to assign less than a fair share.

    "In reality, the levels of work varied: some internationals seemed overburdened with tasks and responsibility, some seemed underburdened, and some faced apparently just the right amount of work."

  2. 2
    To assign less work than someone or something is capable of.

    "If a man is overburdened, which is the true cause of complaint, or underburdened, which is the modern cause of complaint, he may seek redress; but he alone who is overburdened or underburdened is authorised to seek redress."

Example

More examples

"In reality, the levels of work varied: some internationals seemed overburdened with tasks and responsibility, some seemed underburdened, and some faced apparently just the right amount of work."

Etymology

From under- + burden.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.