Some words have dramatically changed meaning throughout the ages. Awful once meant impressed or filled with awe, a clue was once a ball of yarn, and being called nice wasn’t always a compliment, having once meant foolish, silly, or ignorant.
But how does a word’s definition change so drastically?
In an attempt to understand how words’ meanings evolve, a team of scientists mapped out the relationships between different words and their meanings in a sort of linguistic snapshot, capturing the process in action.
Read more: The Christian Science Monitor