Such has 6 different meanings across 5 categories:
Adjective · Adverb · Det · Pron · Proper Noun
Something being indicated that is similar to something else.
of so extreme a degree or extent
"such weeping"
"so much weeping"
"such a help"
"such grief"
"never dreamed of such beauty"
Like this, that, these, those; used to make a comparison with something implied by context.
A person, a thing, people, or things like the one or ones already mentioned.
A surname.