Words With Opposite Meanings...

An interesting little article here. Some examples of English words that mean one thing and also mean the complete opposite of said meaning.

http://mentalfloss.com/article/57032/25-words-are-their-own-opposites

"10. Fast can mean "moving rapidly," as in "running fast," or ‘fixed, unmoving,’ as in "holding fast." If colors are fast they will not run. The meaning ‘firm, steadfast’ came first. The adverb took on the sense ‘strongly, vigorously,’ which evolved into ‘quickly,’ a meaning that spread to the adjective.
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11. Off means ‘deactivated,’ as in "to turn off," but also ‘activated,’ as in "The alarm went off."

 

I have always found it strange that people say 'fill out the form' when I was taught to 'fill in ' a form....haha......weirdness.