B1 — Intermediateconjunction
poiché
since, because, as
Synonyms (≈ similar meaning)
siccomedato chevisto chegiacchéin quanto
Antonyms (≠ opposite meaning)
sebbenebenchénonostantemalgradoquantunque
Usage note
'Poiché' is formal/written. 'Siccome' and 'dato che' are colloquial equivalents. Unlike 'perché', 'poiché' always introduces a known cause, not a justification.
Example
"Poiché era stanco, è andato a letto presto."
"Since he was tired, he went to bed early."
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