The Free Dictionary (English Monolingual)

[M4callan]

{
        "dictName": "The Free Dictionary", 
        "windowUrl": "https://www.thefreedictionary.com/<word>", 
        "css": "#searchform,#top_nav, #header {display: none;} body {margin-top: -50px !important;}"
}

[river]

Hi, I hope you don't mind, I changed some css code to make it look better. Could you have a try and tell me if it works for you?