Also found in: Dictionary.
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1. Completely clean. This shower needs to be squeaky clean before Grandma gets here.
2. Completely innocent and upstanding. She's such a sweet girl that I just assumed she was squeaky clean—I had no idea she had a police record! They've been trying to dig up any dirt they can find on the candidate, but he's coming up squeaky clean.
COMMON If someone is squeaky clean, they live a very good life and never seem to do anything bad or illegal. Of all boy bands, they had the most wholesome and squeaky clean image. As a country-dweller myself, I can truthfully say that not all people living in the countryside are as squeaky clean as they like to think. Note: You can also use squeaky-clean before a noun. Claudia's squeaky-clean image makes her the perfect children's television presenter. Neither singer has a squeaky-clean reputation. Note: This expression is often used to suggest that this way of life is unnatural or uninteresting, or that someone is not as good as they seem. Note: Clean surfaces sometimes squeak when you wipe or rub them.
squeaky cleanbeyond reproach; without vice.
The expression originally refers literally to a surface so clean that it squeaks when a finger is rubbed across it.
2001 Sonia El Kahal Business in the Asia Pacific The quality of government is corrupt in Indonesia, squeaky clean in Singapore, and in-between elsewhere.
mod. very clean. (Like a clean glass that squeaks when one rubs a finger on it.) I got this floor squeaky clean. Don’t spill anything on it.