This is the 3608th most frequent Spanish word.
malo
Bad.
In this sentence, 'malo' is used as an adjective to describe the quality of the weather, indicating it's not favorable.
El clima está muy malo hoy.
The weather is very bad today.
Here, 'mal' is used as an adjective in its shortened form 'mal' before 'estado,' describing the 'condition' of the food as poor or bad.
No es bueno consumir alimentos en mal estado.
It's not good to consume food in a bad condition.
In this sentence, 'malo' is used as a predicative adjective that modifies 'estudiante,' indicating the student's skill level in mathematics is not proficient.