Extend
Extend verb - To make longer.
Fall behind and extend are semantically related In some cases you can use "Fall behind" instead a verb "Extend".
Fall behind
Fall behind verb - Hang (back) or fall (behind) in movement, progress, development, etc..
Extend and fall behind are semantically related in follow topic. Sometimes you can use "Extend" instead a verb "Fall behind".
Cite this Source
Fall behind and Extend. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/extend/fall_behind
Extend & Fall behind. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/extend/fall_behind>.
Fall behind or Extend. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/extend/fall_behind.
Google Ngram Viewer shows how "extend" and "fall behind" have occurred on timeline