Inextricably is the adverb form of the adjective inextricable, which comes from the Latin word inextricabilis, meaning cannot be disentangled. In your mind, summer and the beach are inextricably tied together because you've spent your vacation at the shore for as long as you can remember. Circumstances might inextricably link you and your neighbor when you're trapped in an elevator together for the longest nine hours of your life.