• 1. a very deep or unfathomable gorge or chasm
• 2. anything that appears to be endless or immeasurably deep, such as time, despair, or shame
• 3. hell or the infernal regions conceived of as a bottomless pit
• 4. C16: via Late Latin from Greek abussos bottomless (as in the phrase abussos limn e bottomless lake), from a- 1 + bussos depth

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