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

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

Historical Examples of undamped

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

    Old Caravan Days

    Mary Hartwell Catherwood

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

    Piano Tuning

    J. Cree Fischer

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

  • 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

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