First rate
Significant and first rate are semantically related. In some cases you can use "Significant" instead an adjective phrase "First rate".
Significant
Significant adjective - Clearly conveying a special meaning (as one's mood).
First rate and significant are semantically related. Sometimes you can replace phrase "First rate" with "Significant", this terms are similar.
Mutual synonyms
Cite this Source
Significant and First rate. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/first_rate/significant
First rate & Significant. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/first_rate/significant>.
Significant or First rate. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/first_rate/significant.
Google Ngram Viewer shows how "first rate" and "significant" have occurred on timeline