1The company's financial reports have been unreliable for years, making it difficult for investors to make informed decisions.
2Is the weather forecast reliable or unreliable this time of year?
3She was an unreliable friend, often canceling plans at the last minute.
4If the data is unreliable, we should not use it to make conclusions about the market trends.
5The old car was unreliable and broke down frequently, so we decided to sell it.