1. a very hard round candy that is difficult to bite or chew
2. a word that is very difficult to pronounce
Usage: informal

Examples

• The child sucked on the jawbreaker for over an hour.
• She bought a bag of colorful jawbreakers at the candy store.
• The dentist warned against biting down on jawbreakers.
• That scientific term is a real jawbreaker to pronounce.
• The jawbreaker changed colors as it dissolved in his mouth.
• Foreign place names can be jawbreakers for news anchors.
• He cracked his tooth trying to bite the jawbreaker.