As a two-syllable adjective ending in a consonant sound, it is uncommon to use a single word to refer to the comparitive and superlative - such as you would use the words "rich", "richer" and "richest". It is much more acceptable to use the words "gorgeous", "more gorgeous", and "most gorgeous", in this situation.
most thrilling
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.
Younger is the comparative form. Youngest is the superlative form.
most thrilling
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
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.
"Larger" is the comparative form of large. The superlative form is largest.
"Easier" is the comparative form of easy. The superlative form is easiest.