This accomplishment had been unrepeated, until now.
Source: wiktionary
Unrepeated
Synonyms for "unrepeated" (12 found)
Ranked by relevance and common usage.
Sample sentences
2 total sentences available.
Sentimentality is the last thing that comes to mind in Schoenberg's "Pierrot Lunaire," a 1912 piece seemingly without precedent, and an unrepeated stylistic cul de sac.
Source: wiktionary