1. lacking sophistication or originality; overly sentimental or clichéd
Usage: informal
2. relating to or containing corn

Examples

• The movie’s dialogue was so corny that the audience laughed at the wrong moments.
• His corny jokes always made his friends groan.
• The romantic comedy was full of corny one-liners.
• She thought the love song was too corny to play at their wedding.
• The corny taste of the cereal reminded her of childhood.
• Despite being corny, the old sitcom still had its charm.