M has 15 different meanings across 5 categories:
Noun · Adjective · Character · Num · Proper Noun
concentration measured by the number of moles of solute per liter of solution
Abbreviation of meter.
Initialism of mother.
Monsieur
make
denoting a quantity consisting of 1,000 items or units
Abbreviation of masculine.
The thirteenth letter of the English alphabet, called em and written in the Latin script.
The ordinal number thirteenth, derived from this letter of the English alphabet, called em and written in the Latin script.
Monday