English to Bangla Dictionary, also known as engtoben.com and associated with English Aid with Reja Sir, is a free online language-learning resource for students and everyday learners in Bangladesh. It helps users look up English words and understand their meanings in Bangla, with entries that may include parts of speech, example sentences, grammar notes, phrases, and proverbs. Visitors can search in both directions, from English to Bangla and Bangla to English, and browse entries through English A–Z and Bangla indexes.

The site organizes vocabulary into topics such as professions, relationships, business, food, emotions, technology, animals, and household items. It also features collections of common words, appropriate prepositions, English phrases, grammar lessons, proverbs, and quotations. These resources support vocabulary building and practical English study, whether users are seeking a word’s translation or exploring language and usage more broadly. With searchable definitions and themed learning materials presented in English and Bangla, the dictionary offers an accessible reference for learners at different stages.