lengthen

length + -en

• IPA ^(key): /ˈlɛŋ(k)θən/

• Audio (UK)

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1. (transitive) If you lengthen something, you make it longer in length or duration.
   • Antonym: shorten
2. (intransitive) If something lengthens, it becomes longer in length or duration.
   • Antonym: shorten

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