ADJ

deep, gaping, great, huge, yawning

CHASM + VERB

open (up)
Suddenly a huge chasm opened in the earth

ADJ

great, huge, unbridgeable, wide, yawning

VERB + CHASM

bridge

CHASM + VERB

separate sth
A chasm separates my generation from my parents'

PREP

~ between
an attempt to bridge the unbridgeable chasm between the two cultures
~ of
a huge chasm of hate and prejudice