Echo signal
Echo and echo signal are semantically related. In some cases you can use "Echo" instead a noun phrase "Echo signal".
Echo
Echo noun - A person who adopts the appearance or behavior of another especially in an obvious way.
Mutual synonyms
Cite this Source
Echo and Echo signal. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/echo_signal/echo
Echo signal & Echo. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/echo_signal/echo>.
Echo or Echo signal. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/echo_signal/echo.
Google Ngram Viewer shows how "echo signal" and "echo" have occurred on timeline