squeaky

Think of an old door hinge, the high-pitched sound it makes when it needs oil. That's squeaky. It describes anything making a similar noise, often because two things are rubbing together. But squeaky is not just about sound. You might describe a reputation or a kitchen floor as "squeaky clean," meaning it is extremely clean and free of flaws. Imagine a little mouse scurrying across floorboards: you would likely hear a squeaky little sound. Or picture a "squeaky wheel," a person who complains loudly again and again so they get the attention they want.

The word squeaky primarily describes a high-pitched, creaking sound usually caused by friction between two surfaces. Think of worn floorboards in an old house, a rusty swing set, or new sneakers rubbing against a gym floor—all these produce a squeaky noise. While it often refers to these literal sounds, the word has several common figurative applications.

Most notably, it is used in the phrase "squeaky clean" to describe something—or someone—that is impeccably tidy, honest, or free from scandal. "After the car wash, the windows were squeaky clean." You might also hear it in the idiom "the squeaky wheel gets the grease," which suggests that those who complain the loudest are the most likely to receive help or attention. In this sense, squeaky describes a personality that is persistent, vocal, and perhaps a bit annoying.

You may also hear related forms in close-call situations. We often say someone "squeaked by" when they only just succeeded, and a "squeaker" can mean a win by a very small margin. Whether it is a shrill voice, a polished surface, or a person who keeps complaining until someone listens, squeaky usually suggests something noticeable, sharp, or hard to ignore.