Ground zero
Ground zero noun - A thing or place that is of greatest importance to an activity or interest.
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Synonyms for Ground zero
Threshold and ground zero are semantically related. In some cases you can use "Threshold" instead a noun phrase "Ground zero".
Threshold
Threshold noun - The point at which something begins.
Usage example: at the threshold of the new year, it's time to look back and make resolutions for the future
Ground zero and threshold are semantically related. Sometimes you can use "Ground zero" instead a noun "Threshold".
Nearby Word: thresholding
Mutual synonyms
Related pairs
Both terms in one sentence
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Cross Through: The Threshold first appeared in the Past Doctor strips, kidnapping the companions of previous Doctors, before finally revealing themselves to the Seventh Doctor in "Ground Zero".
Source: Magazine / Doctor Who Magazine
Cite this Source
Threshold and Ground zero. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/ground_zero/threshold
Ground zero & Threshold. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/ground_zero/threshold>.
Threshold or Ground zero. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/ground_zero/threshold.
Google Ngram Viewer shows how "ground zero" and "threshold" have occurred on timeline