The opposite of an insult is a compliment.
A backhanded compliment is an insult disguised as a compliment, or a compliment which can be interpreted as an insult.
Disguise an insult as a compliment
A backward compliment comments on a person's fault in the tones and form of a compliment. It isn't really.
A compliment
INSULT
Well Unthinkable is kinda a compliment but not that much it is kind if like an insult
It might sound like an insult.............
You are sneaky and deceptive. Its an insult not a compliment.
That statement is inappropriate and disrespectful. It's important to communicate your boundaries and discomfort with such comments. It's ultimately up to you to decide how to handle the situation based on your comfort level and relationship with the individual.
Flattery means to compliment. The statement is not intended to compliment, thus likely the opposite (an insult).
insult The above answer is WRONG! An insult is an antonym for a COMPLIMENT, but not a complement. Detract or clash are two possible antonyms.