[ lengk-thee, leng-, len- ]
/ ˈlɛŋk θi, ˈlɛŋ-, ˈlɛn- /

adjective, length·i·er, length·i·est.

having or being of great length; very long: a lengthy journey.
tediously verbose; very long; too long: a lengthy speech.

Origin of lengthy

An Americanism dating back to 1680–90; length + -y1
Related formslength·i·ly, adverblength·i·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for lengthy

British Dictionary definitions for lengthy


/ (ˈlɛŋkθɪ, ˈlɛŋθɪ) /

adjective lengthier or lengthiest

of relatively great or tiresome extent or duration
Derived Formslengthily, adverblengthiness, noun
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

Word Origin and History for lengthy


Online Etymology Dictionary, © 2010 Douglas Harper