In the late 1990s, a friend told me she had used the word “exponentially” in a debate with her brother-in-law. “That’s not a word!” her brother-in-law insisted. “Of course it is,” my friend replied.
No matter how long you've been reading, no matter how vast your vocabulary is, you'll always find words you just don't know from time to time. The Mac's built-in Dictionary app makes those moments ...