'Opposite' has no comparative or superlative form. Something is either opposite something else (or opposite to something else), or it is not.
The comparative form of easy is easier, and the superlative form is easiest.
The comparative form of gloomy is gloomier, the superlative form is gloomiest.
More important is the comparative form, and most important is the superlative form.
More responsible is the comparative form; most responsible is the superlative form.
Younger is the comparative form. Youngest is the superlative form.
more opposite, most opposite
Opposite is an absolute. There cannot be something which is more or most opposite.
comparative - merrier superlative - merriest
The comparative form of cloudy is "cloudier". The superlative form is "cloudiest".
"Older" is the comparative form of old. The superlative form is oldest.
The comparative is grumpier and the superlative is grumpiest.
"Bit" is a noun and a verb and, as such, does not have a comparative or superlative form.
Sweetie is a noun and does not have a comparative or superlative form.
Comparative: older Superlative: oldest
more opposite, most opposite
The comparative form of easy is easier, and the superlative form is easiest.
The comparative form of gloomy is gloomier, the superlative form is gloomiest.