This is the 12118th most frequent Spanish word.
intelectuales
"Intellectuals" - People who engage in critical thinking, research, or reflection, often in academic or cultural fields.
Here, 'intelectuales' refers to people who engage in intellectual activities or are considered thinkers.
Los debates entre los intelectuales siempre son profundos.
Debates among intellectuals are always profound.
In this context, 'intelectuales' modifies the noun 'esfuerzo,' describing the nature of the effort as requiring intellectual capacity.
El esfuerzo intelectuales necesario para resolver este problema es considerable.
The intellectual effort needed to solve this problem is considerable.
Here, 'intelectuales' functions as an adjective describing 'reuniones,' categorizing the meetings as intellectual in nature.