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subsist

1 ENTRIES FOUND:
subsist /səbˈsɪst/ verb
subsists; subsisted; subsisting
subsist
/səbˈsɪst/
verb
subsists; subsisted; subsisting
Britannica Dictionary definition of SUBSIST
[no object] formal
: to exist or continue to exist

subsist on

[phrasal verb]
subsist on (something)
: to use (something) as a way to stay alive : to live on (something)