This is the 631st most frequent Catalan word.
impossible
Not able to occur, exist, or be done.
Here, "impossible" is used to describe a condition that cannot be fulfilled or achieved under the given circumstances.
És impossible escalar aquesta muntanya sense equipament adequat.
It is impossible to climb this mountain without proper equipment.
In this context, "impossible" emphasizes the difficulty or improbability of persuading someone.
Va ser impossible convèncer'l de canviar d'opinió.
It was impossible to convince him to change his mind.
Here, "impossible" is used in a negated form to indicate that something, although uncertain, is still feasible or likely.