This is the 7463rd most frequent Spanish word.
imparables
Unstoppable.
Imparables is used as an adjective describing the athletes, indicating they could not be stopped.
Los atletas eran imparables durante la competencia.
The athletes were unstoppable during the competition.
Here, imparable is the singular form describing the strategy, emphasizing its overpowering effectiveness.
El equipo de ajedrez mostró una estrategia imparable.
The chess team displayed an unstoppable strategy.
In this context, imparables describes the intensity and persistence of the eagerness to learn.