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Meaning & Definition of Sustain in English

English

Sustain

/səsten/

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"
    synonym:
  • prolong
  • ,
  • sustain
  • ,
  • keep up

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"
    synonym:
  • suffer
  • ,
  • sustain
  • ,
  • have
  • ,
  • get

3. Provide with nourishment

  • "We sustained ourselves on bread and water"
  • "This kind of food is not nourishing for young children"
    synonym:
  • nourish
  • ,
  • nurture
  • ,
  • sustain

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"
    synonym:
  • sustain
  • ,
  • 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?"
    synonym:
  • hold
  • ,
  • support
  • ,
  • sustain
  • ,
  • hold up

6. Admit as valid

  • "The court sustained the motion"
    synonym:
  • sustain

7. Establish or strengthen as with new evidence or facts

  • "His story confirmed my doubts"
  • "The evidence supports the defendant"
    synonym:
  • confirm
  • ,
  • corroborate
  • ,
  • sustain
  • ,
  • substantiate
  • ,
  • support
  • ,
  • affirm

Examples of using

Heavy posts are needed to sustain this bridge.