sustain meaning and definition

SUSTAIN verb

Definition of sustain (verb)

1. lengthen or extend in duration or space
   • "We sustained the diplomatic negotiations as long as possible"; "prolong the treatment of the patient"; "keep up the good work"
   • synonyms: keep up, prolong
2. undergo (as of injuries and illnesses)
   • "She suffered a fracture in the accident"; "He had an insulin shock after eating three candy bars"; "She got a bruise on her leg"; "He got his arm broken in the scuffle"
   • synonyms: get, have, suffer
3. provide with nourishment
   • "We sustained ourselves on bread and water"; "This kind of food is not nourishing for young children"
   • synonyms: nourish, nurture
4. supply with necessities and support
   • "She alone sustained her family"; "The money will sustain our good cause"; "There's little to earn and many to keep"
   • synonyms: keep, maintain
5. be the physical support of; carry the weight of
   • "The beam holds up the roof"; "He supported me with one hand while I balanced on the beam"; "What's holding that mirror?"
   • synonyms: hold, hold up, support
6. admit as valid
   • "The court sustained the motion"
7. establish or strengthen as with new evidence or facts
   • "his story confirmed my doubts"; "The evidence supports the defendant"
   • synonyms: affirm, confirm, corroborate, substantiate, support
   • antonym: contradict