bobada

In a sentence

• No te preocupes por esa bobada, no es importante.

  Don't worry about that nonsense, it's not important.

  Here, 'bobada' is used to refer to something trivial or insignificant, displaying its usage as a noun to describe an inconsequential matter.

• Siempre dices bobadas cuando estás nervioso.

  You always say nonsense when you're nervous.

  In this sentence, 'bobadas' refers to silly or senseless statements, showing how it can describe trivial comments or jokes.

• ¡Qué bobada de película! No me gustó nada.

  What a silly movie! I didn't like it at all.

  Here, 'bobada' is used to express that something is perceived as silly or not worthwhile, applying it as a subjective judgement of value.