noun, plural im·pet·u·os·i·ties for 2.

the quality or condition of being impetuous.
an impetuous action.

Origin of impetuosity

1575–85; < Late Latin impetuōs(us) impetuous + -ity Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for impetuosity

Historical Examples of impetuosity

  • "No, no, I am not modest," she interrupted him with an impetuosity which startled him.

    Tales From Two Hemispheres

    Hjalmar Hjorth Boysen

  • The impetuosity with which he came amongst them carried them along.


    Joseph Conrad

  • The impetuosity of my advent made the man at the helm start slightly.

    The Shadow-Line

    Joseph Conrad

  • A shepherd with a flock arrived at a river of some impetuosity.

  • "I can," cried the youth, with an impetuosity that startled his companion.

    The Pioneers

    James Fenimore Cooper

Word Origin and History for impetuosity

early 15c., "violent movement, rushing," from Old French impetuosité (13c.), from Medieval Latin impetuositatem (nominative impetuositas), from Late Latin impetuosus (see impetuous).

Online Etymology Dictionary, © 2010 Douglas Harper