Superior is the opposite of inferior.
the opposite of inferior is huge,massive,giant
inferior
The opposite word for outstanding is inferior.
Superior
superior
Being superior
Superior.
Inferior
In all fields and in general use, the opposite of "superior" is "inferior".
inferior, sad, disadvantage, drawback.
For comparing quality, the opposite of "premier" (superior) could be inferior or poor. Where premier assumes the very best, the opposite is worst or poorest.
The opposite of better (improved, superior) is worse.A similar words for "of a lesser quality" would be inferior.
super glue by dancinghorse(pinto sever)