افراط، زیاده روی

Question

Best expression:

-excessive use

-brute force

-extreme

-overdo

-gone too far

any other suggestion?

what is its opposite?

Answer 1

Overdo and after that excess are better than other 3 ones. 

I can also suggest : 

immoderation / extravagance / intemperance / excessiveness

opposite : providence / cut corners / saving / economize / frugality / thrift / economy

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http://chimigan.com/754/%D8%A7%D9%81%D8%B1%D8%A7%D8%B7-%D9%88-%D8%AA%D9%81%D8%B1%DB%8C%D8%B7

 

Answer 2

Excess and overdo are good. Besides,

Superabundancy

Extravagancy

Overkill

Glut

Overuse

Antonyms could be:

Underuse

Negligence

Answer 3

also:

overindulge

go to extremes

Answer 4

gone over the line: I may have gone over the line a little, but who’s to know?

overindulge: I wish I hadn't overindulged so much last night. Some people regularly overindulge in alcohol.