By surprise and Unalert

By surprise

Definitions of By surprise not found.

Unalert and by surprise are semantically related. In some cases you can use "Unalert" instead an adverb phrase "By surprise".

Unalert

Unalert adjective - Not alert to what is potentially dangerous.

By surprise and unalert are semantically related. Sometimes you can use "By surprise" instead an adverb "Unalert".
Cite this Source
Unalert and By surprise. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/by_surprise/unalert
By surprise & Unalert. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/by_surprise/unalert>.
Unalert or By surprise. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/by_surprise/unalert.
Google Ngram Viewer shows how "by surprise" and "unalert" have occurred on timeline