Squeaky (adjective)

1. Making or having a high-pitched, sharp, thin sound.
2. Of poor quality; shoddy.

Origin:

Late 16th century (as a verb in the sense "to squeal"): imitative.

Examples:

1. The bed had a squeaky spring.
2. He gave a squeaky little laugh.
3. The old bicycle had a squeaky chain.
4. The car made a squeaky noise when it turned.
5. The mattress was old and had a squeaky surface.