inacabable
endless
adjective een-ah-kah-BAH-bleh Rare
Origin: From in- (not) + acabable (finishable), from acabar (to finish).
Also means
interminable
Usage Note
Inacabable describes something that seems to have no end — a task, a conversation, a road. It is invariable for gender (un debate inacabable, una espera inacabable) and forms its plural regularly by adding -s. It differs subtly from interminable, which carries a stronger negative (tedious) connotation; inacabable can be neutral or even positive (an inexhaustible source of ideas).
Examples
"El camino parecía inacabable."
Natural Translation
The road seemed endless.

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