lupenrein
Translation
flawless, perfect, pure, impeccable
Examples
Das ist ein lupenreiner Diamant.
That is a flawless diamond.
Er spricht ein lupenreines Deutsch.
He speaks impeccable German.
Grammar Patterns
lupenrein + Noun flawless/impeccable ... Das ist ein lupenreiner Diamant.
sth. is lupenrein sth. is flawless His German is lupenrein.
Similar Words
Synonyms: makellos, perfekt, tadellos; Antonyms: fehlerhaft, unrein
Etymology
From 'Lupe' (magnifying glass) + 'rein' (pure). Something so pure it's flawless even under a magnifying glass.
Memory Tips
Imagine looking at something with a magnifying glass ('Lupe') and seeing it is perfectly pure ('rein').