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lengthen

verb [I or T]
 
 
/ˈleŋ.θən/

Definition

C1 to make something longer, or to become longer: I'll have to lengthen this skirt. lengthening waiting listsEnlarging and inflatingBecoming biggerBecoming biggerEnlarging and inflating If you lengthen something, or it lengthens, it takes longer to happen: There is a plan to lengthen the three-year course to four years. → Opposite shortenContinue and last
(Definition of lengthen verb from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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