Alert
Alert adjective - Paying close attention usually for the purpose of anticipating approaching danger or opportunity.
Without delay and alert are semantically related. In some cases you can use "Without delay" instead an adjective "Alert".
Without delay
Alert and without delay are semantically related. Sometimes you can use "Alert" instead an adjective phrase "Without delay".
Mutual synonyms
Cite this Source
Without delay and Alert. (2016). Retrieved 2026, August 11, from https://thesaurus.plus/related/alert/without_delay
Alert & Without delay. N.p., 2016. Web. 11 Aug. 2026. <https://thesaurus.plus/related/alert/without_delay>.
Without delay or Alert. 2016. Accessed August 11, 2026. https://thesaurus.plus/related/alert/without_delay.
Google Ngram Viewer shows how "alert" and "without delay" have occurred on timeline