Duplicate example sentences

1. I made a duplicate of the key for my sister.
2. This is a duplicate — we don't need two.

1. The store sent a duplicate order by mistake and we had to return it.
2. Can you duplicate this drawing on another piece of paper?

1. The system flagged the duplicate entry and asked me to choose which one to keep.
2. She tried to duplicate her success from last year but things didn't go the same way.

1. The duplicate charges went unnoticed for months until I finally reviewed my statements carefully.
2. He was determined not to duplicate the same creative mistakes he'd made in his previous work.

1. The meticulous process of identifying and removing duplicate records revealed significant inefficiencies in the database architecture.
2. What she feared most was not failure itself, but the prospect of having to duplicate the grueling journey all over again.

1. The artist's refusal to duplicate her signature style, despite commercial pressure, became the defining principle of her entire career.
2. There exists a peculiar kind of exhaustion that comes from watching someone attempt to duplicate lightning in a bottle — the effort itself almost guarantees failure.

🏠 Everyday Life

1. I found a duplicate receipt in my wallet from the grocery store last week.
2. My neighbor has the exact duplicate of my car — same color, same year, everything.

💼 Workplace

1. Someone accidentally sent the duplicate memo to the entire company instead of just our department.
2. I had to duplicate the spreadsheet for each team member so they'd have their own copy to edit.

📊 Business

1. The duplicate shipment arrived before we even processed the first order, which created a logistics nightmare.
2. Our accounting team discovered a duplicate invoice that had been paid twice, resulting in a significant refund.

🛒 Buying / Shopping

1. I realized I bought a duplicate of the same book I already own — now I have two copies.
2. The store charged me twice and created a duplicate transaction on my card that took weeks to dispute.

✈️ Travel

1. The hotel accidentally gave us a duplicate room key that didn't work in any of the locks.
2. I packed a duplicate charger just in case my phone died while traveling through three countries.

📚 Education

1. The teacher asked us to duplicate the experiment from the textbook to verify the results ourselves.
2. My daughter submitted a duplicate assignment by accident and had to explain it wasn't intentional plagiarism.

❤️ Relationships

1. We got matching duplicate tattoos to symbolize our friendship, even though we knew it was kind of cheesy.
2. He kept a duplicate photo of us from that trip because he couldn't bear to only have one copy.

📰 News / Politics

1. The politician's campaign was accused of running a duplicate strategy that was nearly identical to their opponent's.
2. Election officials had to manually verify duplicate ballots to ensure the count was accurate.

💻 Technology

1. The app has a feature that automatically detects and removes duplicate contacts from your phone.
2. I tried to duplicate the file but the system said I didn't have permission to create a copy.

📝 Formal Writing

1. The research team implemented a protocol to identify and eliminate duplicate data points before statistical analysis.
2. Regulations require that financial institutions maintain duplicate records in separate secure locations for disaster recovery purposes.