Mŏn/ū-mĕn't/al, a.
a. [Fr. monumental, Lat. monumentalis.]
Sense 1. Of, pertaining to, inscribed upon, or suitable for, a monument; as, a monumental inscription.
Sense 2. Serving as a monument; memorial; preserving memory. “Of pine or monumental oak.” Milton. “A work outlasting monumental brass.” Pope.