#vocabulary Who knew there are so many words to say you are sad or unhappy?! The most popular are: unhappy = sad miserable =very sad upset = unhappy, worried, or angry down = unhappy, unable to feel excited or energetic about anything (informal) down in the dumps = unhappy (idiom) low = unhappy depressed = unhappy and without hope blue = feeling or showing sadness (informal) broken-hearted (or heartbroken) = extremely unhappy devastated =very shocked and upset