D defs.my
Entry 1 sense Webster, 1913

Stupendous

/sto͞op-ĕn'-dəs/ · Stu·pen·dous · IPA /stuˈpɛndəs/
01 a. Astonishing; wonderful; amazing; especially, astonishing in magnitude or elevation; as, a stupendous pile.
  1. 1.
    Astonishing; wonderful; amazing; especially, astonishing in magnitude or elevation; as, a stupendous pile.
    “All are but parts of one stupendous whole.” Pope.