Get the FREE one-click dictionary software for Windows
or the iPhone/iPad and Android apps
Noun: abysm  u'bi-zum
Usage: archaic
  1. A bottomless gulf or pit; any unfathomable (or apparently unfathomable) cavity or chasm or void extending below (often used figuratively)
    "The explorers peered into the abysm, unable to see the bottom";
    - abyss

Derived forms: abysms

Type of: chasm

Encyclopedia: Abysm