Finally, make sure the response is thorough but concise, addressing the user's need without encouraging piracy. Provide actionable alternatives so the user feels supported in finding the resource legally.
Another angle is to consider the user might be looking for a free alternative. Perhaps recommend open-source dictionaries that are available for free download, although those might not have the same depth or credibility as Merriam-Webster. merriam webster collegiate dictionary 12th edition pdf link
Next, I should outline the options. Mention that while a free PDF isn't available, there are legitimate sources like the Merriam-Webster website where they can look up words online. Also, maybe suggest purchasing an e-book version through platforms like Kindle or the publisher's site. Additionally, some libraries offer access to digital versions through their online services like OverDrive or Libby. Finally, make sure the response is thorough but