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prolong vs lengthen

lengthen vs prolong

prolong and lengthen both are verbs.

Word NounAdjectiveVerbAdverb
prolong No No Yes No
lengthen No No Yes No
As verbs, lengthen is a hypernym of prolong; that is, lengthen is a word with a broader meaning than prolong:
  • prolong: lengthen in time; cause to be or last longer
  • lengthen: make longer
prolong (verb) lengthen (verb)
lengthen in time; cause to be or last longer become long or longer
lengthen or extend in duration or space make longer
Difference between prolong and lengthen

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