Oxford English-Sindhi Dictionary is an English-Sindhi version of the very popular Concise Oxford English Dictionary, 9e with 2200 pages and size of 240x180 mm. Sindhi is the third most frequently spoken language of Pakistan with approximately 41 million speakers in Pakistan and 12 million in India. It is recognized an official language of Sindh, province of Pakistan and one of the 18 official languages of India. Sindhi is the medium of instruction and a compulsory language in schools of Sindh (Pakistan). The dictionary contains approximately 65,000 headwords, more than 140,000 meanings and about 3 million text words. The IPA is given in Sindhi orthography. Scientific and technical terminologies are dealt with proper Sindhi equivalents. The subsumed idioms, phrasal verbs, and derivatives are explained in easy, simple and explanatory language. It is the first and foremost comprehensive and affordable work in English-Sindhi bilingual lexicographical history.