Questions & Answers about Non voglio mica perdere il treno.
It strengthens and adds a pragmatic nuance to the negation. Compared with the plain Non voglio perdere il treno (neutral “I don’t want to miss the train”), Non voglio mica perdere il treno sounds like:
- “I certainly don’t want to miss the train.”
- “It’s not like I want to miss the train.” It often implies you’re contradicting an assumption or justifying a choice (e.g., “Let’s go now—I don’t want to miss it, you know.”).
In colloquial speech, yes. Mica can act as the only negative marker in conversation: Mica voglio perdere il treno ≈ “I’m not about to miss the train.” In formal writing, keep non.
You may also hear the rhetorical question Voglio mica perdere il treno? meaning “Do you think I want to miss the train? Of course not.”