(adj.) = sin idea, sin la menor idea, sin pistas, ignorante. Ex: Well, if you've come this far, and you started off clueless, I must congratulate you for wading through all these explanations. ---- * be clueless about = no tener idea de. (adj.) = despistado. Ex: He was standing around clueless, being introduced to a bunch of people he wouldn't remember in the morning. (adj.) = ingenuo. Ex: This is largely clueless enthusiasm focused on things that don't matter in the grand scheme of things.