Most vs The Most
Most
Most = very (mainly with adjectives of two or more syllables)
You are most generous = You are very generous.
It is most annoying.
Possessive noun or pronoun + most:
It is my most favorite book.
The majority of a group or things:
Most students are lazy.
The most
Superlative adjectives with two or more syllables:
My friend is the most sincere.
The largest amount possible:
The President himself won the most votes.