Definition of mighty mite
- This little vacuum cleaner is a mighty mite.
: possessing might : powerful
: accomplished or characterized by might
: great or imposing in size or extent : extraordinary
: extremely, very
: any of numerous small acarid arachnids that often infest animals, plants, and stored foods and include important disease vectors
: a small coin or sum of money
: a very little : bit
: a very small object or creature
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