Term: abyss: a bottomless gulf or pit; any unfathomable (or apparently unfathomable) cavity or chasm or void extending below (often used figuratively)
Broader: chasm: a deep opening in the earth's surface | Unrelated: common polypody: mat-forming lithophytic or terrestrial fern with creeping rootstocks and large pinnatifid fronds found throughout North America and Europe and Africa and east Asia
Broader: chasm: a deep opening in the earth's surface | Unrelated: repertoire: a collection of works (plays, songs, operas, ballets) that an artist or company can perform and do perform for short intervals on a regular schedule
Broader: chasm: a deep opening in the earth's surface | Unrelated: personal letter: a letter dealing with personal affairs
Broader: chasm: a deep opening in the earth's surface | Unrelated: synercus: Cape buffalo
Broader: chasm: a deep opening in the earth's surface | Unrelated: hydrophyllaceae: perennial woodland herbs
Broader: chasm: a deep opening in the earth's surface | Unrelated: road sense: good judgment in avoiding trouble or accidents on the road
Broader: chasm: a deep opening in the earth's surface | Unrelated: polypectomy: surgical removal of a polyp
Broader: chasm: a deep opening in the earth's surface | Unrelated: tear sheet: a sheet that can be easily torn out of a publication
Broader: chasm: a deep opening in the earth's surface | Unrelated: captivity: the state of being imprisoned
Broader: chasm: a deep opening in the earth's surface | Unrelated: unobtrusiveness: the quality of not sticking out in an unwelcome way