The correct use of the word 'Reprobate'

[Tom]

Hi

In our culture(language), there is a proper word for the person who is extremely immoral by nature--remains drunk, sleeps around (although has a family), is involved in speculation, spends money on wrong things etc.

Would you say that the exact translation of that word may be REPROBATE? Is this word common among native speakers? Or are there better options?

Tom

PS: Are my red phrases completely correct and natural? :roll:

[Mister Micawber]

.
'Reprobate' is a good choice, and it is reasonably common, especially as an epithet. 'You old reprobate!-- Quit pawing me and go home to your wife'. It hasn't anything to do with speculation, however-- simply bad morals.
.
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Native English teacher at Mister Micawber's

[Tom]

Scores of thanks, Mr. Micawber.

One more thing,

[Alan]

Hi Tom,

What about the adjective 'amoral'?

A
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English as a Second Language
You can read my ESL story Present Simple

[Tom]

[Pamela]

Tom, for my non-native ear your bold phrases sound excellent!

[Yankee]

The only thing I might ask is exactly what sort of speculation you were referring to. :)
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"Nearly all men can stand adversity, but if you want to test a man's character, give him power." ~ Abraham Lincoln

[Tom]