el másvs-ísimo
/el mahs/
/EE-see-moh/
💡 Quick Rule
Use 'el más' to compare within a group. Use '-ísimo' to say something is 'extremely' on its own.
Think: 'el más' = most in the class. '-ísimo' = so, so, so!
- You can't use them together, e.g., never say 'el más altísimo'.
- Some adjectives have irregular forms, like 'bueno' -> 'el mejor' (not 'el más bueno').
📊 Comparison Table
| Context | el más | -ísimo | Why? |
|---|---|---|---|
| Describing a movie | Es la película más triste del festival. | Esa película es tristísima. | 'el más' compares it to other festival movies. '-ísimo' just says it's extremely sad on its own. |
| Talking about price | Es el coche más caro de la tienda. | Este coche es carísimo. | 'el más' identifies it as #1 in price in the store. '-ísimo' just means it costs a lot of money. |
| Describing a person | Ella es la más inteligente que conozco. | Ella es inteligentísima. | 'el más' compares her to everyone I know. '-ísimo' is a strong compliment about her intelligence in general. |
✅ When to Use "el más" / -ísimo
el más
The relative superlative. Used to say something is 'the most' or 'the -est' when comparing it to others in a specific group.
/el mahs/
Comparing within a group
Es el chico más alto de la clase.
He's the tallest boy in the class.
Identifying the best or worst
Es el mejor restaurante de la ciudad.
It's the best restaurant in the city.
Expressing 'the least'
Es el libro menos interesante que he leído.
It's the least interesting book I've read.
-ísimo
The absolute superlative. A suffix that means 'extremely', 'very, very', or 'super'. It adds strong emphasis without comparing to anything else.
/EE-see-moh/
Adding strong emphasis
El examen fue dificilísimo.
The exam was extremely difficult.
Expressing strong emotion
Estoy contentísima con la noticia.
I'm super happy about the news.
Describing something exceptional
La vista desde la montaña es bellísima.
The view from the mountain is absolutely beautiful.
🔄 Contrast Examples
With "el más":
Es el hotel más lujoso de la ciudad.
It's the most luxurious hotel in the city.
With "-ísimo":
El hotel es lujosísimo.
The hotel is extremely luxurious.
The Difference: 'el más' ranks it as #1 compared to all other hotels in the city. '-ísimo' just gives a strong, standalone impression of its luxury.
With "el más":
Este es el problema más difícil del examen.
This is the most difficult problem on the exam.
With "-ísimo":
Este problema es dificilísimo.
This problem is incredibly difficult.
The Difference: Use 'el más' to single one out from the group of exam problems. Use '-ísimo' to express how intense the difficulty of this one problem feels.
🎨 Visual Comparison
A split-screen showing a comparison podium for 'el más' versus a single emphasized figure for '-ísimo'.
'el más' compares to a group (like a winner on a podium). '-ísimo' adds a burst of emphasis to one thing.
⚠️ Common Mistakes
Es el más altísimo de la clase.
Es el más alto de la clase.
Don't combine them! They both express a superlative idea, so pick one. 'El más alto' is for comparing, while 'altísimo' is for emphasis.
El hotel es carísimo de la ciudad.
El hotel es carísimo. OR Es el hotel más caro de la ciudad.
You can't use '-ísimo' with 'de' to make a comparison to a group. Use 'el más... de' for that.
Este libro es buenísimo que el otro.
Este libro es mejor que el otro.
To compare two things directly, use 'más... que' or irregulars like 'mejor que'. '-ísimo' doesn't work for direct comparisons.
📚 Related Grammar
Want to understand the grammar behind this pair? Explore these lessons for a deep dive:
🏷️ Key Words
✏️ Quick Practice
Quick Quiz: el más vs -ísimo
Question 1 of 2
To say 'This cake is extremely delicious!', which is the most natural choice?
🏷️ Tags
Frequently Asked Questions
Can I use '-ísimo' with any adjective?
Almost! Most common descriptive adjectives work. However, some adjectives that already express an extreme quality (like 'enorme' or 'principal') don't usually take '-ísimo'. Also, adjectives with irregular comparatives (like 'bueno' -> 'mejor' or 'malo' -> 'peor') have special absolute forms ('bueno' -> 'bonísimo' and 'malo' -> 'malísimo').
Is '-ísimo' formal or informal?
It's generally considered more informal and is very common in spoken Spanish to add emotion and emphasis. In formal writing, you might prefer to use an adverb like 'sumamente' or 'extremadamente' (e.g., 'sumamente importante' instead of 'importantísimo'), but '-ísimo' is still perfectly correct.