All means ‘every one’, ‘the complete number or amount’ or ‘the whole’. We use it most often as a determiner. We can use a countable noun or an uncountable noun after it
the whole of (used in referring to quantity, extent, or duration): all the cake; all the way; all year. the whole number of (used in referring to individuals or particulars, taken
You use all to refer to a situation or to life in general. All is silent on the island now. As you'll have read in our news pages, all has not been well of late.
There are 63 meanings listed in OED's entry for the word all, two of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.
What does ALL mean? This dictionary definitions page includes all the possible meanings, example usage and translations of the word ALL. Everything possible. She gave her all, and
Definition of all determiner in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.