1. hard round candies that are difficult to bite or chew
Usage: plural form
2. words that are very difficult to pronounce
Usage: informal; plural form

Examples

• The candy store sold colorful jawbreakers in a large glass jar.
• She bought a bag of jawbreakers for the movie theater.
• The jawbreaker was so hard it lasted for hours.
• Medical terms can be real jawbreakers for students.
• The foreign language had several jawbreakers that took practice to say correctly.
• He struggled with the jawbreakers in his chemistry textbook.