What is another word for a squeaky noise?

Another word for a squeaky noise is squeal, creak, screech, chirp, peep, cheep, whine, yelp, screak, or eek depending on source and tone. If you mean a high-pitched animal noise, alternatives are peep, cheep, chirp, or pipping for birds and mice. If you mean a mechanical squeaky noise from door, floor, or brakes, synonyms are creak, screech, screak, whine, groan, or squeal. For example, the squeaky door could be called a creaky door or screechy door. The squeaky toy makes a squeal. Sneakers on court make a screech or chirp. In more technical terms, a squeaky noise can be called high-frequency friction noise, stick-slip noise, or shrill noise. For writing, you can describe squeaky noise as shrill, piercing, high-pitched, tinny, or strident noise. If you want informal terms, you could say eek, eep, or squee. So best single-word alternatives are squeal for loud squeak, creak for low squeak, and peep or chirp for small animal squeak. Choose based on whether squeak is from animal, friction, or complaining.