Professional people write these definitions for each dictionary as a job. There will be one team of people for Merriam-Webster Dictionary, one for Oxford etc, and they write these definitions.
it gives the definitions of words.
Etymologies
check policy definitions - if not defined in the policy - the dictonary definition would apply
171,476 words in current use, and 47,156 obsolete words. Although new words are appearing a disappearing all the time!
Yes they are all true definitions in the Encarta World English Dictionary.
No. Some dictionaries are for beginners, and some are advanced, and because of that, there are not all the same words.
may have too few words in the dictonary.
Not all words have an intentional meaning. Some words may lack clear or concrete definitions, or their meanings may be ambiguous or subjective. Additionally, some words may carry emotional or cultural significance that goes beyond their literal definitions.
No. there are 'slang" words that are kept out of the dictonary until they are prove to have real meaning
it is important to use a dictonary when you dont know how to spell a word
Dictionaries, thesauruses, and online resources like Merriam-Webster or Dictionary.com are helpful for finding definitions and synonyms for unfamiliar words.
The smallest word in the English dictornary is in fact two words in the English dictornary; I, and A.