What do you need to know in order to look up a word in the dictionary?

Look up the meaning of an English word you see or hear

find the English translation of a word in your language

check the spelling of a word

check the plural of a noun or past tense of a verb

find out other grammatical information about a word

find the synonym or antonym of a word

look up the collocations of a word

check the part of speech of a word

find out how to say a word

find out about the register of a word

find examples of the use of a word in natural language