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1. Dictionary

   sus·tain

   /səˈstān/

   verb

   • 1. strengthen or support physically or mentally: "this thought had sustained him throughout the years" Similar comforthelpassistencouragesuccorsupportgive strength tobe a source of strength tobe a tower of strength tobuoy upcarrycheer upheartensee someone throughinformal:buck upOpposite tormentplague
   • ▪ bear (the weight of an object) without breaking or falling: "he sagged against her so that she could barely sustain his weight" Similar bearsupportcarrystandkeep upprop upshore upbolsterunderpinbuttressOpposite collapse under
   • 2. undergo or suffer (something unpleasant, especially an injury): "he died after sustaining severe head injuries" Similar undergoexperiencego throughsufferendure
   • 3. cause to continue or be prolonged for an extended period or without interruption: "he cannot sustain a normal conversation" Similar continuecarry onkeep upkeep goingkeep alivekeep in existencekeepmaintainprolongpreserveconserveprotractperpetuatebolster upprop upretainextend
   • ▪ (of a performer) represent (a part or character) convincingly: "he sustained the role with burly resilience"
   • 4. uphold, affirm, or confirm the justice or validity of: "the allegations of discrimination were sustained" Similar upholdvalidateratifyvindicateconfirmendorseapproveverifycorroboratesubstantiatebear outproveauthenticateattest toback upevidencejustify

   noun

   • 1. an effect or facility on a keyboard or electronic instrument whereby a note can be sustained after the key is released.

   Word Origin Middle English: from Old French soustenir, from Latin sustinere, from sub- ‘from below’ + tenere ‘hold’.

   Derivatives

   • 1. sustainer noun

   Scrabble Points: 7

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   More definitions, origin and scrabble points

2. www.merriam-webster.com › dictionary › sustainSustain Definition & Meaning - Merriam-Webster

   www.merriam-webster.com › dictionary › sustain

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   Learn the various meanings and uses of the word sustain, from giving support or relief to nourishing or prolonging. See synonyms, examples, word history, and legal and kids definitions of sustain.

3. dictionary.cambridge.org › dictionary › englishSUSTAIN | English meaning - Cambridge Dictionary

   dictionary.cambridge.org › dictionary › english

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   Learn the meaning of sustain as a verb and a noun in English, with synonyms, antonyms, and usage examples. Find out how to pronounce sustain and how to use it in different contexts.

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5. www.vocabulary.com › dictionary › sustainSustain - Definition, Meaning & Synonyms | Vocabulary.com

   www.vocabulary.com › dictionary › sustain

   Sustain means to support something or keep it going. If you get hungry in the mid-afternoon, you might try snacking to sustain your energy through dinner. Beams and rafters sustain a roof — they keep it up.

6. www.dictionary.com › browse › sustainSUSTAIN Definition & Meaning | Dictionary.com

   www.dictionary.com › browse › sustain

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   To sustain a claim or an idea is to uphold it as valid, just or correct. How does sustain differ from the synonyms maintain, support, or uphold? Find out on Thesaurus.com.

7. www.thefreedictionary.com › sustainSustain - definition of sustain by The Free Dictionary

   www.thefreedictionary.com › sustain

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   Sustain means to keep in existence, maintain, continue, or prolong something or someone. It can also mean to support from below, withstand, affirm, or provide for. See different sources and examples of sustain.

8. www.collinsdictionary.com › dictionary › englishSUSTAIN definition and meaning | Collins English Dictionary

   www.collinsdictionary.com › dictionary › english

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   Learn the various meanings and uses of the verb sustain, such as to continue, support, endure, or confirm. See synonyms, pronunciation, examples, and word frequency of sustain.

9. dictionary.cambridge.org › us › dictionarySUSTAIN | definition in the Cambridge English Dictionary

   dictionary.cambridge.org › us › dictionary

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   SUSTAIN meaning: 1. to cause or allow something to continue for a period of time: 2. to keep alive: 3. to suffer…. Learn more.