If this lecture is indeed the ur-source of “America's Best Idea,” it is ironic that Bryce's flattery has been remembered, even streamlined, while the rest of his address has been entirely forgotten.
Source: wiktionary
Ur-source
Synonyms for "ur-source"
Ranked by relevance and common usage.
Sample sentences
2 total sentences available.
For one thing, all the articles seemed to be traceable to a single ur-source, an article in Yonhap news (link in Korean).
Source: wiktionary
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.