1. making a high-pitched sound when moved or pressed
2. completely clean and free from dirt or wrongdoing
Usage: informal; often in phrase ‘squeaky clean’

Examples

• The squeaky door needs oil on its hinges.
• Her squeaky voice was hard to listen to for long periods.
• The old floorboards were squeaky and creaked with every step.
• The politician maintained a squeaky clean reputation throughout his career.
• She scrubbed the dishes until they were squeaky clean.
• The squeaky wheel gets the grease, as they say.