The Superlative
By the use of adverbs, emphatic prefixes, or both.
muy bueno, muy bien very good, very well elindo, retelindo very pretty regrande, retegrande very big muy rebonito very very pretty
By the addition of the suffix -ísimo, added directly to adjectives or adverbs ending in consonants, and to those ending in vowels after dropping the vowel.
hábil - skillful habilísimo - very skillful querido - dear queridísimo - very dear diligente - diligent diligentísimo - very diligent pronto - soon prontísimo - very soon
Orthographic changes may become necessary to keep the original consonantal sound before adding -ísimo.
rico - riquísimo largo - larguísimo
When adjectives have ie or ue in the accented syllable, the shift of the accent may revert these to i, o.
bueno - buenísimo or bonísimo nuevo - nuevísimo or novísimo viejo - viejísimo
Adverbs with distinctive adverbial endings, such as -os, -a, transfer these endings to the superlative termination.
lejos - far lejísimos - very far cerca - near cerquísima - very near
Adverbs in -mente have the superlative suffix -ísima added to the original adjective form.
ricamente - richly riquísimamente - very richly
Rodrigo is the most intelligent student in his class.
Rodrigo is the least intelligent student in his class.
It is also common to hear expressions with some of the words implied, though not stated. For example:
Juan es el más alto. - Juan is the tallest.
The suffix -ísimo can be added to the end of adjectives to express an absolute superlative:
Baseball seems very boring to me.
I'm extremely tired, I can't take anymore.
GRADOS DE COMPARACIÓN COMPARATIVO Y SUPERLATIVO