nat
When talking about the weather, 'nat' describes rainy conditions. You can say 'Het is nat buiten', which means 'It is wet outside'.
'Nat' can also refer to something being literally wet from water or another liquid. For instance, 'De handdoek is nat' means 'The towel is wet'.
In some idiomatic expressions, 'nat' can imply getting into trouble or being caught. For example, 'Ergens nat aan zijn' means to be caught red-handed or to be in an awkward situation.
It's generally a straightforward word, but context helps clarify its precise meaning in various situations.