A2 — Elementaryadjective
necessario
necessary
Synonyms (≈ similar meaning)
indispensabileessenzialeobbligatorioimprescindibile
Antonyms (≠ opposite meaning)
inutilesuperfluofacoltativoopzionale
Usage note
'Indispensabile' is stronger — cannot be done without. 'Obbligatorio' implies a rule or law. 'Facoltativo' is the direct opposite meaning optional.
Example
"È necessario portare il passaporto per viaggiare all'estero."
"It is necessary to bring your passport to travel abroad."
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