WordWeb Online

1. What needs to be eaten to sustain a person's body; food, esp. food containing the required vitamins and energy
   - nutriment, nourishment, nutrition, aliment, alimentation, victuals
    
2. The financial means whereby one lives
   "he applied to the state for sustenance";
   - support, keep, livelihood, living, bread and butter
    
3. The act of sustaining life by food or providing a means of subsistence
   "they were in want of sustenance";
   - sustentation, sustainment, maintenance, upkeep

Derived forms: sustenances

Type of: food, nutrient, resource, support

Encyclopedia: Sustenance