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lengthen

American  
[lengk-thuhn, leng-, len-] / ˈlɛŋk θən, ˈlɛŋ-, ˈlɛn- /

verb (used with object)

  1. to make longer; make greater in length.

    Synonyms:
    elongate
    Antonyms:
    shorten

verb (used without object)

  1. to become greater in length; grow long or longer.

lengthen British  
/ ˈlɛŋθən, ˈlɛŋkθən /

verb

  1. to make or become longer

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Related Words

Lengthen, extend, stretch, prolong, protract agree in the idea of making longer. To lengthen is to make longer, either in a material or an immaterial sense: to lengthen a dress. To extend is to lengthen beyond some original point or so as to reach a certain point: to extend a railway line by a hundred miles. To stretch is primarily to lengthen by drawing or tension: to stretch a rubber band. Both prolong and protract mean especially to lengthen in time, and therefore apply to intangibles. To prolong is to continue beyond the desired, estimated, or allotted time: to prolong an interview. To protract is to draw out to undue length or to be slow in coming to a conclusion: to protract a discussion.

Other Word Forms

Etymology

Origin of lengthen

First recorded in 1490–1500; length + -en 1

Explanation

To lengthen is to make something longer, either physically or in time. During the spring and early summer, the days lengthen, as sundown comes later and later. Mascara lengthens your eyelashes, and letting out your hem lengthens your jeans. As time goes by, your years of experience lengthen, and if you don't cut your hair or trim your beard, those lengthen as well. Lengthen dates from the 14th century — earlier, the verb was length, from a Germanic root that's also the basis of "long."

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Vocabulary lists containing lengthen

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

You can learn much more about the benefits and risks of lavender in our book, “Spice Up Your Health: How Everyday Kitchen Herbs & Spices Can Lengthen & Strengthen Your Life.”

From Seattle Times • Sep. 30, 2021

“It brings to Pilates what Pilates was lacking,” said Amanda Freeman, founder of the New York-based Megaformer studio SLT, which stands for Strengthen Lengthen Tone.

From New York Times • Sep. 19, 2014

Possibly unsuited by a move up in trip and a slightly slower pace last time, Shadows Lengthen was too keen in the early stages to do himself justice.

From The Guardian • Feb. 11, 2012

"M'lord, with Alyn and the others away, we are hard-pressed already—" "It will only be a short while. Lengthen the watches."

From "A Game of Thrones" by George R.R. Martin

The tough hand closes gently on the load; Out of the mind, a voice Calls 'Lift!' and the arms, remembering well their work, Lengthen and pause for help.

From Georgian Poetry 1918-19 by Marsh, Edward Howard, Sir

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