Hi, I thought you may like this Mentalrobics exercise from Braingle.com:
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Synonyms

Sometimes, a creative idea is very similar to an existing idea, but has subtle differences. In order to express your idea, you'll need to be able to come up with words to describe these nuances.

This exercise will help. How many creative synonyms can you find for the following words? As you come up with each word, try to picture in your mind the small differences between the synonym and the original word.

Happy: Jolly (having a little more humor than happy), tickled pink (having a lot more humor than happy)... there are least 30 more synonyms for you to discover.

Red: Blood-red (darker red), magenta (a little purpler than red)...Try for 20 more similar colors.

Pick any word and repeat this exercise as many times as you wish.
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For more mind exercises: http://www.braingle.com/mind/