sustain 1verbdomain: v statePrinceton WordNet [ver.3.1]EnglishDefinitionlengthen or extend in duration or spaceReport errorPath to highest hypernymMorphologySynset graphExamples1.We sustained the diplomatic negotiations as long as possible2.prolong the treatment of the patient3.keep up the good workSynonymsprolong 2lengthen or extend in duration or spacekeep up 2lengthen or extend in duration or space