Correct Answer - Option 2 : Uncivilized
The correct answer is option 2 i.e. uncivilized
The word 'uncouth' refers to someone that is lacking in good manners, civility or grace
The word 'uncivilized' refers to someone that is mannerless and impolite
Hence, option 2 is clearly the correct answer.
Here's the meaning of the other words:
Elegant: This is actually the antonym of uncouth, it refers to someone that is refined and graceful
Elephantine: Resembling a characteristic of an elephant
Lewd: Referring to something that is offensive, especially in a sexual way.