Use 'bedraggled' to describe someone's appearance after exposure to bad weather, like heavy rain or snow. Her bedraggled look was evidence of the sudden downpour she got caught in.
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Not Just Dirty
'Bedraggled' implies more than just dirtiness; it suggests a disordered or tired state as well. The lost puppy looked bedraggled, with matted fur and a weary expression.
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Negative Connotation
The word 'bedraggled' often has a negative connotation, implying a lack of care or neglect. Arriving bedraggled to the interview, he made a poor first impression.