Synonyms for Crevasse:

n.

crevice, gap, pothole, cavern, cave, fissure, gully, rift, ditch. pit (noun)
chasm, pit, well, cavity, abyss, deep, shaft, bottomless pit, crater.
precipice (noun)
fissure, chasm, abyss, gap.

Other synonyms:

cave, cavern. pothole. ditch. ditch
gully.
Other relevant words:
crevice, gully, cave, ditch, gap, cavern, fissure, rift.

Usage examples for crevasse

  1. The chamois stood at the very edge of a deep crevasse and up from its cold, blue depths came the cry of a terrified and agonised creature- cries that were answered by the mother chamois. – The Adventure of Living by John St. Loe Strachey
  2. Though no expert climber, I was fond of the mountains to the point of fanaticism, and though I never got higher than 11, 000 feet, or a little over, I had the extremely interesting experience of falling into a crevasse – The Adventure of Living by John St. Loe Strachey
  3. Sighting a bull snake that peered down at him from its crevasse both of them smiled and one amiably winked. – Lonesome Town by Ethel and James Dorrance