Hyperalert
Wakeful and hyperalert are semantically related. In some cases you can use "Wakeful" instead an adjective "Hyperalert".
Wakeful
Wakeful adjective - Not sleeping or able to sleep.
Hyperalert and wakeful are semantically related. You can use "Hyperalert" instead an adjective "Wakeful".
Mutual synonyms
Cite this Source
Wakeful and Hyperalert. (2017). Retrieved 2026, August 01, from https://thesaurus.plus/related/hyperalert/wakeful
Hyperalert & Wakeful. N.p., 2017. Web. 01 Aug. 2026. <https://thesaurus.plus/related/hyperalert/wakeful>.
Wakeful or Hyperalert. 2017. Accessed August 01, 2026. https://thesaurus.plus/related/hyperalert/wakeful.
Google Ngram Viewer shows how "hyperalert" and "wakeful" have occurred on timeline