Elementary Teachers, do you need some safe a reliable search options for your students to look up definitions or synonyms? These are especially helpful tools when working on writing and your students are trying to make sure they use the correct words or are trying to expand their vocabulary. Below are a couple of quick websites you can share with your students. Some of these allow you to search for definitions at different difficulty levels. Some have visual dictionaries, some even have games built in to learn about words and spelling.