Underwhelm

verb

verb ·3 syllables ·Rare ·Advanced level

Definitions

Verb
  1. 1
    To fail to impress; to perform disappointingly.

    "The fact that I even mentioned YouTube in the same paragraph as the middling TV company ViacomCBS and Twitter … well, that says something about how YouTube has underwhelmed for some time."

Synonyms

All synonyms
disappoint

Example

More examples

"The director is certain that the plot won’t underwhelm the movie’s target audience at all."

Etymology

From under- + whelm: a humorous coinage by novel negation of overwhelm first recorded in the 1950s.

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