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sustain - definition and synonyms


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verb [transitive] sustain pronunciation in British English /səˈsteɪn/
Word Forms
present tense
present participlesustaining
past tensesustained
past participlesustained
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  1. 1
    to provide the conditions in which something can happen or exist
    Only two of the planets could sustain life.
    Analysts believe present economic growth can be sustained without inflation.
  2. 2
    formal to give someone strength, energy, or hope
    A cup of coffee isn’t enough to sustain you until lunchtime.
    Throughout the trial he was sustained by the support of his family.
  3. 4
    formal to experience loss, injury, damage etc
    One of the officers sustained minor injuries in the fire.
    Both sides sustained heavy losses in the war.


a course of study which is much shorter than a university course and focuses on the skills you need for a job, especially computer-related skills

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an ancient Roman system of underfloor heating, used to heat houses with hot air; from the Latin 'hypocaustum'

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