The conversation between human and AI assistant.
What words rank the highest on Dictionary.com's difficulty index?
That makes sense. What are some other difficult words on the index?
According to the same source, some other difficult words on the index include "floccinaucinihilipilification," which means the act or habit of estimating something as worthless; "antidisestablishmentarianism," which is the opposition to the disestablishment of a state church; and "sesquipedalian," which means using many long words.