Comparative form of lengthy: more lengthy(adjective)
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Use "lengthier" in a sentence
"On the downside, however, break of 1072 resistance turned support will argue that rise from 931.3 has completed and some medium term lengthier consolidations should be seen before the long term up trend resumes."
"The report said numerous factors made death penalty cases cost more, such as lengthier court trials and appeals, and hiring more experts."
"I wept on leaving Borrego Springs, California after my first (four-day) visit over a dozen years ago, and today, after a handful of lengthier stays and two failed attempts to build or to buy a dwelling there, I still pine."