Brain wave
Brain wave noun - (neurophysiology) rapid fluctuations of voltage between parts of the cerebral cortex that are detectable with an electroencephalograph.
Overboard and brain wave are semantically related. In some cases you can use "Overboard" instead an adjective phrase "Brain wave".
Overboard
Overboard adverb - To extremes.
Brain wave and overboard are semantically related. Sometimes you can use "Brain wave" instead an adjective "Overboard".
Mutual synonyms
Cite this Source
Overboard and Brain wave. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/brain_wave/overboard
Brain wave & Overboard. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/brain_wave/overboard>.
Overboard or Brain wave. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/brain_wave/overboard.
Google Ngram Viewer shows how "brain wave" and "overboard" have occurred on timeline