Open English Wordnet
Verbs
(v)break, break out, break awaymove away or escape suddenly“The horses broke from the stable”, “Three inmates broke jail”, “Nobody can break out — this prison is high security”
(v)erupt, recrudesce, break outbecome raw or open“He broke out in hives”, “My skin breaks out when I eat strawberries”, “Such boils tend to recrudesce”