What does the word right mean?
The word RIGHT has of 33 meanings. If you are using it as "that is right" it means correct. If you say "it is on the right" it means the side of your body that is opposite from left. this list can go on and on..
The word "write" means to communicate as in correspondence; To write a letter, story, composition, etc. You may be referring to the word, "right," meaning correct, which does have a positive connotation. However, let us not forget, the word "right" can also mean to the right hand side; to make a right hand turn, on the right of the building etc.
There are several definitions of "right", so I will give you antonyms for each. If you mean "right" as a direction (for example, turn right at the stop sign), the opposite would be "left". If you mean "right" as a statement of truth (for example, you have the right answer), the opposite would be "wrong". If you mean "right" as a privilege (for example, the right to freedom of speech), the opposite would be "prohibition".