It's NSFW. Oh, and they added clickbait too.

Last week Merriam-Webster added a whopping 1,700 new words to its dictionary, expanded 700 words with new senses and added another 3,200 examples.

Among the best and worst of the new words: meme, NSFW, WTF and, delightfully, clickbait.

You can find a sampling of those words over on Unabridged, the official blog for Merriam-Webster.

Here are a few you probably want to read the definitions for:

Yes, I am proud of myself.