ASK A QUESTION What is se pierde?
Or something gets lost / Or One misses out on something / Or Something vanishes
Or possibly, "it gets lost"... in simplest terms.
Or if the detransitizing se. He/she/it loses.
What happens if he guesses incorrectly? He loses.
It makes the transitive "he loses something" intransitive. Simply, He loses.
Should we go on to passive voice? or reflexive usage?
The point being, we don't know what it means out of context.
La palbra se pierde signica algo que uno busca y no encuentra.
Without any other context: It is lost.
Pierde = it loses
Se pierde = it is lost