Blue thistle
Blue thistle noun - A coarse prickly European weed with spikes of blue flowers; naturalized in United States.
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Synonyms for Blue thistle
Blue devil is a synonym for blue thistle. In some cases you can use "Blue devil" instead a noun phrase "Blue thistle".
Blue devil
Blue devil noun - A coarse prickly European weed with spikes of blue flowers; naturalized in United States.
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Synonyms for Blue devil
Blue thistle is a synonym for blue devil. You can use "Blue thistle" instead a noun phrase "Blue devil".
Mutual synonyms
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Blue devil and Blue thistle. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/blue_thistle/blue_devil
Blue thistle & Blue devil. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/blue_thistle/blue_devil>.
Blue devil or Blue thistle. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/blue_thistle/blue_devil.
Google Ngram Viewer shows how "blue thistle" and "blue devil" have occurred on timeline