infinito
/een-fee-nee-toh/
infinite

The word 'infinito' describes something with no limit or end, like a star-filled sky.
infinito(adjective)
infinite
?having no limit or end
,endless
?continuing forever
countless
?too many to be counted
,limitless
?without boundaries
📝 In Action
El espacio exterior parece ser infinito.
A2Outer space seems to be infinite.
Ella tiene una paciencia infinita con los niños.
B1She has infinite patience with children.
💡 Grammar Points
Matching the Noun
This word changes its ending to match the thing it describes. Use 'infinito' for masculine things (el cielo) and 'infinita' for feminine things (la paciencia).
❌ Common Pitfalls
Gender Mismatch
Mistake: "una paciencia infinito"
Correction: una paciencia infinita - because 'paciencia' is a feminine word, 'infinito' must change its ending to 'a'.
⭐ Usage Tips
Exaggeration Tool
In Spanish, we often use 'infinito' to exaggerate, like saying someone has 'infinite' love or 'infinite' problems, just like in English.

As a noun, 'infinito' refers to the concept of something that goes on forever.
infinito(noun)
infinity
?the concept of something that has no end
the distance
?referring to a point very far away
📝 In Action
Miramos hacia el infinito y vimos las estrellas.
B1We looked toward infinity and saw the stars.
En matemáticas, el símbolo del infinito es un ocho acostado.
B2In math, the infinity symbol is a sideways eight.
💡 Grammar Points
Always Masculine as a Noun
When referring to the 'concept' of infinity, the word is always masculine: 'el infinito'.
⭐ Usage Tips
Describing Horizons
Use 'el infinito' when talking about looking out at the ocean or the sky where you can't see the end.

The adverb 'infinito' means immensely or to an exceeding degree, like the scale of a giant waterfall.
infinito(adverb)
immensely
?to an exceeding degree
,greatly
?very much
a lot
?expressing deep gratitude or feeling
📝 In Action
Te lo agradezco infinito.
B2I thank you immensely.
La película me gustó infinito.
C1I liked the movie a whole lot.
💡 Grammar Points
The 'Power-Up' Word
When used after a verb like 'agradecer' (to thank), it doesn't change its ending. It stays 'infinito' because it's describing the action, not a thing.
⭐ Usage Tips
Showing Gratitude
'Te lo agradezco infinito' is a very warm and sincere way to say thank you to a friend.
✏️ Quick Practice
💡 Quick Quiz: infinito
Question 1 of 2
If you want to say 'The road is endless' (La carretera...), which form should you use?
📚 More Resources
Frequently Asked Questions
Is 'infinito' used differently than the English word 'infinite'?
Not really! They are cognates (words that look and mean the same) and are used almost identically in both science and everyday exaggeration.
Can I use 'infinito' for time?
While 'infinito' usually refers to space or quantity, you can use it for time, though 'eterno' (eternal) or 'para siempre' (forever) are more common for time specifically.