1. Lacking originality, freshness, or interest; trite or commonplace
The movie had a banal plot that we had seen a hundred times before.
O filme tinha um enredo banal que já tínhamos visto centenas de vezes antes.
2. Lacking in novelty or significance; dull and unremarkable
His banal observations about the weather added nothing to the conversation.
Suas observações banais sobre o tempo não acrescentaram nada à conversa.