Classify/ˈklæsɪfaɪ/ Definition 1 of 3Pro Tip 1/3Nuanced Categories Classify involves nuanced subcategories, not always broad groups. We classified the ancient tools into very specific periods. Pro Tip 2/3Overlap Caution A single item may fit into multiple categories when classifying. These insects classify as both pests and pollinators. Pro Tip 3/3Context Matters Classifying can change based on context, such as culture or field of study. In some cultures, classify spicy foods separately is common.