Due
Due adverb - As stated or indicated without the slightest difference.
Without delay and due are semantically related. In some cases you can use "Without delay" instead an adverb "Due".
Without delay
Due and without delay are semantically related. Sometimes you can use "Due" instead an adverb phrase "Without delay".
Cite this Source
Without delay and Due. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/due/without_delay
Due & Without delay. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/due/without_delay>.
Without delay or Due. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/due/without_delay.
Google Ngram Viewer shows how "due" and "without delay" have occurred on timeline