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sustain vs maintain

maintain vs sustain

sustain and maintain both are verbs.

Word NounAdjectiveVerbAdverb
sustain No No Yes No
maintain No No Yes No
As verbs, sustain and maintain are synonyms defined as:
  • sustain and maintain: supply with necessities and support
Other synonyms of sustain include keep.
sustain (verb) maintain (verb)
undergo (as of injuries and illnesses) stick to correctly or closely
establish or strengthen as with new evidence or facts state categorically
admit as valid state or assert
supply with necessities and support support against an opponent
provide with nourishment maintain by writing regular records
be the physical support of; carry the weight of supply with necessities and support
lengthen or extend in duration or space keep in safety and protect from harm, decay, loss, or destruction
have and exercise
maintain for use and service
cause to continue in a certain state, position, or activity
Difference between sustain and maintain

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