- 1[intransitive] subsist (on something) to manage to stay alive, especially with limited food or money Old people often subsist on very small incomes.
- 2[intransitive] (formal) to exist; to be valid The terms of the contract subsist.
NAmE//səbˈsɪst//Verb Forms present simple I / you / we / they subsist
he / she / it subsists
past simple subsisted
-ing form subsisting