It depends on your circumstances and what your faith/church says. In many churches it could certainly be said to lead to sin. Or in some churches it could be a sin even if you aren't in the same bed.
Same-sex couples should commit and marry rather than living in sin.
Might be, might not be. Depends on who the people are and where they are. Question is much, much to broad for a simple answer.
According to the Bible, the opposite of sin is righteousness.
Living together in a deliberate intimate relationship is a sin before the Lord. A couple should be legally and lawfully wedded by the law of that land by a duly authorized person. Though a couple may live together, it will be their intimacy which will condem them.
The opposite of moral is amoral. It means to be without morals.
Doing it, of course is not a sin, but your motivation for doing it could be, or not, it depends on the reason. Examples: To make yourself sexy and have the opposite sex lust after you? Sin. I am tired of this hair style and want to try something else? Not Sin. It all depends on your heart.
This word does not have an opposite.
Sin is the opposite over the hypotenuse.
the sine rule, angle (a) and opposite length is eaqual to angle (b) and opposite length. which are also equal to angle (c) and opposite length. Sin A = Sin B = Sin C ------- -------- ---------- a -------- b -------- c
Unsin.
divinity
righteousness