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sumpsimus

[suhmp-suh-muh s]
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noun, plural sump·si·mus·es for 2.
  1. adherence to or persistence in using a strictly correct term, holding to a precise practice, etc., as a rejection of an erroneous but more common form (opposed to mumpsimus).
  2. a person who is obstinate or zealous about such strict correctness (opposed to mumpsimus).

Origin of sumpsimus

First recorded in 1540–50; see origin at mumpsimus
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for sumpsimus

Historical Examples

  • We are not going to change our old 'mumpsimus' for anybody's new 'sumpsimus.'

    Res Judicat

    Augustine Birrell

  • Sumpsimus, sump′si-mus, n. a correct expression displacing an incorrect but common one (see Mumpsimus).