How to Say "crowded" in Spanish
The Spanish word for “crowded” is “llena” — A1 level. This is a very common word in everyday Spanish.

Examples
La taza está llena de café caliente.
The cup is full of hot coffee.
Tienes la nevera llena de comida.
You have the fridge filled with food.
Ella es una persona llena de alegría y energía.
She is a person full of joy and energy.
Adjective Agreement Rule
"Llena" is the feminine form. Always make sure the ending matches the noun you are describing: use "llena" for feminine nouns (like mesa, botella) and "lleno" for masculine nouns (like vaso, plato).
Confusing SER and ESTAR
Mistake: “El vaso es llena. (Incorrect)”
Correction: El vaso está lleno. (Correct). The verb 'estar' is usually used for temporary states, like being full or empty, unless you are using 'llena' to describe someone's personality (e.g., 'es una persona llena de energía').
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