Shake up and Take aback

Shake up

Shake up verb - To cause an unpleasant surprise for.

Take aback and shake up are semantically related In some cases you can use "Take aback" instead a verb "Shake up".

Take aback

Take aback verb - Surprise greatly; knock someone's socks off.

Shake up and take aback are semantically related in frighten topic. Sometimes you can use "Shake up" instead a verb "Take aback", if it concerns topics such as astonish.
Cite this Source
Take aback and Shake up. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/shake_up/take_aback
Shake up & Take aback. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/shake_up/take_aback>.
Take aback or Shake up. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/shake_up/take_aback.
Google Ngram Viewer shows how "shake up" and "take aback" have occurred on timeline