Underbound

verb

verb ·Rare ·Advanced level

Definitions

Verb
  1. 1
    To provide a lower bound to.

    "It will be seen that our computation time underbounds his; and that, in fact, we can give a group for which the difference in computation time is arbitrarily large."

  2. 2
    past participle of underbind form-of, participle, past
  3. 3
    To specify or use boundaries that are too small; to have boundaries that do not encompass the entirety of an entity.

    "The Urbanized Area is often considered the best measure of urban size because it neither "underbounds" the city (by taking just the political city) or "overbounds" it (including peripheral, largely rural areas)."

Example

More examples

"It will be seen that our computation time underbounds his; and that, in fact, we can give a group for which the difference in computation time is arbitrarily large."

Etymology

From under- + bound.

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