This is the 10313th most frequent French word.
intelligents
"Intelligents" means "intelligent" or "smart" in English.
Here, 'intelligents' is used as an adjective agreeing in gender and number (plural masculine) with 'étudiants'.
Les étudiants dans cette classe sont très intelligents.
The students in this class are very intelligent.
In this sentence, 'intelligents' modifies 'amis', a plural masculine noun, emphasizing their smartness.
Mes amis intelligents m'aident souvent à résoudre des problèmes difficiles.
My intelligent friends often help me solve difficult problems.
'Intelligents' is describing both 'Marie' (feminine singular) and 'Paul' (masculine singular), hence the choice of plural masculine form in French due to grammatical rules.