Today you're going to learn one of the "shortcuts" to expanding your vocabulary - focusing on prefixes and suffixes, the beginnings and endings of words. The word "colorful" means "full of color," and the word "colorless" means "without color." ...but some of these words aren't as simple as they seem! For example, "fruitful" doesn't necessarily mean "full of fruit," the opposite of "helpless" is NOT "helpful," and there's a difference between "mindful" and "thoughtful." Click here for the lesson text