Whether it's investigating the financials of Elon Musk's pro-Trump PAC or producing our latest documentary, 'The A Word', which shines ... has become a fount of difficult vocabulary, with users ...

Today, words have gotten a lot more difficult. The final rounds of the 2019 competition included head scratchers like allothimorph, auftaktigkeit, and sphaeriid. Visit INSIDER's homepage for more ...