Describes something that cannot be contained or controlled.
La rabia en el público era incontenible, dado que las decisiones del gobierno no satisfacían a nadie.
The anger in the crowd was uncontrollable, given that the government's decisions satisfied no one.
La risa de los niños era contagiosa, creando una atmósfera incontenible de alegría en la fiesta.
The laughter of the children was contagious, creating an uncontrollable atmosphere of joy at the party.