Six has 6 different meanings across 4 categories:
Noun · Adjective · Num · Proper Noun
The digit or figure 6.
"She wrote the number six on her test answer sheet to indicate she got that question right."
In plain English: Six is the number that comes right after five and before seven.
"She has six children living in her house."
denoting a quantity consisting of six items or units
"She carefully arranged exactly six apples in a single row on the kitchen counter."
A numerical value equal to 6; the number following five and preceding seven. This many dots: (••••••).
"She had exactly six apples left in her basket after sharing some with her friends."
Abbreviation of MI6. (intelligence service)
"After his interview at Six, he realized he would be working in intelligence rather than marketing."
The word "six" comes from the Proto-Indo-European root *swéḱs and traveled through Old English into Middle English with its original meaning unchanged. It is a doublet of the word "sice," which was once used to mean six but later came to refer to a toilet.