Farther is the comparative of far, and the superlative is farthest.
The comparative form is farther or further. The superlative is the farthest or thefurthest.
farther, farthest
Out can be an adjective. Its comparative and superlative forms would be more out and most out respectively.
Farther, farthest
Dative; cloudy Caomparative; cloudier Superlative ; cloudiest
comparative : purer superlative : purest
Comparative: older Superlative: oldest
The comparative and superlativeforms of grand are: Comparative: grander Superlative: grandest
Dative; Early Comparative; Earlier Superlative; Earliest
comparative - merrier superlative - merriest
Comparative: shallower Superlative: shallowest
The comparative is "stricter" and the superlative is "strictest".