That's not the definition. It looks like you left off the "a number more than half of the total" clause in the definition from theFreeDictionary.com.
"in the majority of cases all will go smoothly"
If 49% of the cases go smoothy, that's NOT an example of a "majority" of cases.
No, again just obtuse:
I would call you obtuse, but that would be unfair to people who are obtuse.
You are utterly stuck on stupid.
. From Merriam Webster
majority
noun | ma·jor·i·ty |\mə-ˈjȯr-ə-tē, -ˈjär-\
Popularity: Top 30% of words
Simple Definition of majority
1: a number that is greater than half of a total
2: a number of votes that is more than half of the total number
3: the group or party that is the greater part of a large group
Full Definition of majority
plural ma·jor·i·ties
1 obsolete: the quality or state of being greater
2
a: the age at which full civil rights are accorded
b: the status of one who has attained this age
3
a: a number or percentage equaling more than half of a total (a majority of voters) (a two-thirds majority)
b: the excess of a majority over the remainder of the total: margin (won by a majority of 10 votes)
c: the greater quantity or share (the majority of the time)
4: the group or political party having the greater number of votes (as in a legislature)
5: the military office, rank, or commission of a major