Really/ˈriːəli/ Definition 1 of 4Pro Tip 1/3Degree Enhancer Use 'really' to intensify adjectives or adverbs. It boosts the meaning. That book was really interesting. Pro Tip 2/3Common Collocations Memorize common pairs like 'really nice' or 'really bad' frequently used together. Her performance was really amazing. Pro Tip 3/3Spoken Emphasis In speech, stress 'really' to emphasize your point even more. It was really hot outside!