Significant
Significant adjective - Clearly conveying a special meaning (as one's mood).
Warning sign and significant are semantically related. In some cases you can use "Warning sign" instead a noun "Significant".
Warning sign
Significant and warning sign are semantically related. Sometimes you can use "Significant" instead a noun phrase "Warning sign".
Mutual synonyms
Cite this Source
Warning sign and Significant. (2016). Retrieved 2026, August 09, from https://thesaurus.plus/related/significant/warning_sign
Significant & Warning sign. N.p., 2016. Web. 09 Aug. 2026. <https://thesaurus.plus/related/significant/warning_sign>.
Warning sign or Significant. 2016. Accessed August 09, 2026. https://thesaurus.plus/related/significant/warning_sign.
Google Ngram Viewer shows how "significant" and "warning sign" have occurred on timeline