Ever thought about the class and comprehensiveness of Dictionaries. How a dictionary manage to give us every single meaning of the word or phrase we think of just. Behind the scene there is full-fledged art or we can say technique, via which the dictionaries are developed and are that much knowledge and comprehensive. Lexicography is the technique or the practice of writing, editing, managing and compiling dictionaries. Lexicography is the word derived from two different ancient Greek words Lexikos meaning ‘words’ and grapho means ‘to write’. This lexicography technique is quite old and initially it was started in the pre-historic time. The experts or the persons who research, collect, organize and define the words and work for compilation of a dictionary are known as Lexicographers. The origin of the Dictionaries was from the West Asia. Initially the lists of words were managed for a particular language to preserve the language and make everyone to understand it. The world’s first official dictionary was developed in late 15 century comprising of Latin and English words in it. By then the work done on the dictionary managing was immense and results in development of modern dictionaries. In the age of Information Technology and social media, referring and concerning large books of dictionary again and again is heck of work and time consuming. Most of the people feel irritating to search a word from the vast indexes of dictionary books. There are numerous android smartphones and gadgets based applications which provides complete access to the dictionaries and vast databases. Some best are mentioned here.