Impulse
Impulse noun - Something that arouses action or activity.
Trepidation and impulse are semantically related. In some cases you can use "Trepidation" instead a noun "Impulse".
Trepidation
Trepidation noun - The emotion experienced in the presence or threat of danger.
Impulse and trepidation are semantically related. Sometimes you can use "Impulse" instead a noun "Trepidation".
How words are described
Cite this Source
Trepidation and Impulse. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/impulse/trepidation
Impulse & Trepidation. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/impulse/trepidation>.
Trepidation or Impulse. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/impulse/trepidation.
Google Ngram Viewer shows how "impulse" and "trepidation" have occurred on timeline