momentous

momentous(
mo
-
mehn
-
tuhs
)
An adjective is a word that describes a noun (e.g., the big dog).
adjective
a. trascendental
The 1980s were a time of momentous changes in the communist world.La década de los 80 era un tiempo de cambios trascendentales en el mundo comunista.
b. crucial
The British people will be making a momentous decision when it votes on whether to leave the EU.Al votar sobre si salir o no de la UE, el pueblo británico tomará una decisión crucial.
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