The antonyms are Confidently, nice, and mock.
Answer:
attractive
excellent
great
valuable
wonderful
commendable
estimable
praiseworthy.
valuable
Explanation:
these are just some answers!!!
The answer is <u>detached</u>.
Detached means something not connected to any other structure or building, separated from the rest or isolated. In streets dead-end, at the very end of it, it's common to find some type of detached building, like a house; and such isolation don't tend to bring anything interesting or exciting to people around it, but dullness.
I believe it’s C. Not sure but it seems as if that’s what it is.