A rash or eruption; a sudden or transient fit of sickness.
Leaf litter of small leaves and little twigs as found under a hedge.
To disturb.
Overly bold or self-assertive to the point of being insensitive, tactless or impudent; shameless.
Brittle (said e.g. of wood or vegetables).
The origin of brash is uncertain, but it may come from the Scots word for a violent attack. It might also be related to German and Dutch words meaning harsh or unfriendly.