Be imminent
Warn and be imminent are semantically related. in endanger topic. In some cases you can use "Warn" instead a verb phrase "Be imminent", when it comes to topics like threaten.
Warn
Warn verb - To give notice to beforehand especially of danger or risk.
Cite this Source
Warn and Be imminent. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/be_imminent/warn
Be imminent & Warn. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/be_imminent/warn>.
Warn or Be imminent. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/be_imminent/warn.
Google Ngram Viewer shows how "be imminent" and "warn" have occurred on timeline