Brain wave
Brain wave noun - (neurophysiology) rapid fluctuations of voltage between parts of the cerebral cortex that are detectable with an electroencephalograph.
Fancy and brain wave are semantically related. In some cases you can use "Fancy" instead a noun phrase "Brain wave".
Fancy
Fancy noun - A conception or image created by the imagination and having no objective reality.
Brain wave and fancy are semantically related. Sometimes you can use "Brain wave" instead a noun "Fancy".
Mutual synonyms
Related pairs
Cite this Source
Fancy and Brain wave. (2016). Retrieved 2026, August 11, from https://thesaurus.plus/related/brain_wave/fancy
Brain wave & Fancy. N.p., 2016. Web. 11 Aug. 2026. <https://thesaurus.plus/related/brain_wave/fancy>.
Fancy or Brain wave. 2016. Accessed August 11, 2026. https://thesaurus.plus/related/brain_wave/fancy.
Google Ngram Viewer shows how "brain wave" and "fancy" have occurred on timeline