Bigly– To a great extent.
Oxford lists the origin as “late Middle English, meaning with great force… Rare from the late 19th century until 2016, it was revived as a result of its association with President Donald Trump.”
In a debate with Hillary Clinton in 2016, Trump said, “I’m going to cut taxes bigly, and you’re going to raise taxes bigly.”
But there is another debate to this. He may have said big league.
Trump says bigly to mean big league, but the definition of the term isn’t any different from Oxford’s. He means the same thing. Bigly, to a great extent, is a proper term to draw a contrast. It’s slang.
Samuel Johnson’s Dictionary from 1755 defines bigly as “Tumidly; haughtily; with a blustering manner.” Webster’s Dictionary from 1913 offers nearly the same definition.
But the word is not in The Merriam-Webster Dictionary from 1998. The Oxford definition listed above his from their online dictionary, and therefore most current. Whether or not Trump actually said bigly, he certainly revived a forgotten word. That’s a bigly contribution to the English language.