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Definitions of lengthen
  1. verb
    become long or longer
    "In Spring, the days lengthen"
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  2. verb
    make longer
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Definition that contains lengthen
  • extend lengthen in time; cause to be or last longer
  • sustain lengthen or extend in duration or space
  • prolong lengthen or extend in duration or space
  • prolong lengthen in time; cause to be or last longer
  • drawl lengthen and slow down or draw out
  • draw out lengthen in time; cause to be or last longer
  • protract lengthen in time; cause to be or last longer
  • keep up lengthen or extend in duration or space
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