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A person with whom one shares personal or private matters, trusted friend
Non ho segreti per la mia confidente.
I have no secrets from my confidant.
Used for both genders in modern Italian, though traditionally masculine.
Self-confident, assured
Si è presentato con un atteggiamento molto confidente.
He introduced himself with a very confident attitude.
When used as a noun, 'confidente' is masculine by default but can refer to any gender. For feminine forms, use 'confidente' with feminine articles (la confidente) or 'confidente donna'.
Distinguish between 'confidente' (trusted person) and 'confidenziale' (confidential document). The former relates to people, the latter to information.
From Latin 'confidens', present participle of 'confidere' (to trust), from 'con-' (with) + 'fidere' (to trust).
As a noun, 'confidente' is formal and implies deep trust. As an adjective, it describes someone who is self-assured. Do not confuse with 'confidenziale' (confidential).