Her naïfness led her to trust the traveling salesman despite the warning signs.

Her naïf optimism about the project surprised even the seasoned investors.

The art dealer laughed, calling him a naïf who still believed every story about lost masterpieces.

The café owner warned the naïfs not to leave their bags unattended in the bustling market.

His semi-naïf approach to negotiations both disarmed and worried the older diplomats.

She naïfly believed the offer and missed the warning signs.