Miedo translates to "fear". While it might seem like a common word, its repeated emphasis in "Bésame Mucho" makes it incredibly potent and central to the song's emotional core.
The singer expresses a profound "miedo a perderte" (fear of losing you), highlighting the intense vulnerability and desperation behind the passionate pleas for kisses. This word elevates the song from a simple love song to a poignant expression of deep attachment and the anxiety of separation, making it very memorable.
Il Divo's take on this bolero classic treats the title request as urgent rather than sweet. "Que tengo miedo a perderte, perderte después" ("That I'm afraid of losing you, losing you later") turns "kiss me a lot" into something closer to bracing for a loss than asking for romance.
The bridge explains the fear directly: "Piensa que tal vez mañana / Yo ya estaré lejos, muy lejos de ti" ("Think that maybe tomorrow / I will be far, far away from you"). A parting is coming, and every repeated "bésame mucho" is what's left to say before it does.