A learners dictionary is an essential tool for anyone looking to develop their understanding of a language. It is a type of dictionary that is specifically designed for people who are learning a language, and it contains definitions, word usage examples, and other information that can help learners improve their comprehension and communication skills. Synonyms for learners dictionary include language reference, vocab guide, word book, lexicon, terminology resource, terminology guide, glossary, phrase book, and linguistic handbook. Each of these terms refers to a type of resource that can be used to help people learn and understand language more effectively.