not damped or dampened; undiminished, as in energy, vigor, etc.: undamped spirits.
Physics. (of an oscillation) having constant or increasing amplitude.

Nearby words

  1. uncus,
  2. uncustomary,
  3. uncut,
  4. und so weiter,
  5. undamaged,
  6. undated,
  7. undauntable,
  8. undaunted,
  9. undaunting,
  10. undead

Origin of undamped

First recorded in 1735–45; un-1 + damp + -ed2

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for undamped

  • Often, after the key is struck, the damper will not return to its place and the string is undamped.

    Piano Tuning|J. Cree Fischer
  • They grind their own snuff with flat stones, out of undamped roll-tobacco, which they cut up small and dry over the lamp.

    Eskimo Life|Fridtjof Nansen
  • The undamped or "continuous" waves are generated by means of a high-frequency alternator or Poulsen arc.

  • But Grandma sat erect and drove away undaunted and undamped.

    Old Caravan Days|Mary Hartwell Catherwood

British Dictionary definitions for undamped



(of an oscillating system) having unrestricted motion; not damped
not repressed, discouraged, or subdued; undiminished
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