To form the comparative adjective, you add these three letters to the base.
What is -ior?
laetus
What is laetē?
happiest
pulcherrimus
What is very/most beautiful?
Superlative adjectives, like laetissimus, -a, -um, use these adjective endings.
What are 1st/2nd declension endings?
celer, -is, -e
What is celeriter?
briefly
breviter
melior
What is better?
Adjectives ending in -er, like pulcher or acer, form their superlative by adding this suffix directly to the nominative masculine singular.
What is -rimus?
fortior, -ius
What is fortius?
best
optimus, -a, -um
If a Roman soldier is fortissimus, he is described as being this.
What is very brave?
To change a 3rd declension adjective like fortis into an adverb, you typically add this suffix.
What is -(i)ter?
facillimus, -a, -um
What is facillimē?
more
What is plus?
quam lentissimē
What is as slowly as possible?
When comparing two things without using quam, the second noun must be placed in this grammatical case.
What is ablative?
bonus (Hint: it's irregular!)
What is bene?
very miserable
What is miserrimus, -a, -um?
The adjective maior is the comparative form of magnus, meaning this.
What is bigger or greater?