lessen, make smaller
Something minuscule is extremely small in size or amount.
The minutiae of something, such as your job or life, are the very small and often unimportant details associated with it.
A diminution of something is a reduction in the size, number, or importance of it.
The minimum number of something is the least or smallest amount of it.
When something diminishes it becomes smaller.
The minority of a group is the people who are different in some way from the larger part of the group.
Something minor, such as a problem, is small and of lesser importance than other problems.
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