Pronunciation: /ˈleŋkθən/
verb to make or become longer in distance or time
A1 I want to lengthen my hair.
A2 She uses special exercises to lengthen her muscles.
B1 The company plans to lengthen the work hours to meet the deadline.
B2 The new technology will help lengthen the battery life of the device.
C1 The architect proposed to lengthen the bridge to accommodate more traffic.
C2 The scientist conducted experiments to lengthen the lifespan of the cells.
formal In order to lengthen the lifespan of the product, we must improve its durability.
informal I need to lengthen my essay by adding more details and examples.
slang If you want to lengthen your hair, you should try using this new hair growth product.
figurative The journey seemed to lengthen as we encountered more obstacles along the way.
lengthened
lengthens
lengthier
lengthiest
lengthen
will lengthen
has lengthened
is lengthening
lengthens
long
to lengthen
lengthening
lengthening