Prepositions are words that show the relationship between a noun and something else in a sentence. Words like 'on', 'under' and 'inside', as well as phrases like 'next to', 'in front of', and 'on top ...

For years, grammar nerds have been wagging their finger at students and writers who dare break one of their most sacred rules: ending a sentence with a preposition. But last week, Merriam-Webster, one ...