[moh-muh n-ter-ee]


lasting but a moment; very brief; fleeting: a momentary glimpse.
that might occur at any moment; ever impending: to live in fear of momentary annihilation.
effective or recurring at every moment; constant.

Nearby words

  1. moment,
  2. moment of inertia,
  3. moment of sail,
  4. moment of truth,
  5. momentarily,
  6. momently,
  7. momento,
  8. momentous,
  9. momentum,
  10. momism

Origin of momentary

1425–75; late Middle English momentare < Latin mōmentārius. See moment, -ary

Related formsmo·men·tar·i·ness, nounin·ter·mo·men·tar·y, adjectivenon·mo·men·tar·i·ness, nounnon·mo·men·tar·y, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for momentary

British Dictionary definitions for momentary



lasting for only a moment; temporary
Derived Formsmomentariness, noun

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for momentary



"lasting a moment," mid-15c., from Latin momentarius "of brief duration," from momentum (see moment).

Online Etymology Dictionary, © 2010 Douglas Harper