Become obsolete
Fall and become obsolete are semantically related. In some cases you can use "Fall" instead a verb phrase "Become obsolete".
Fall
Fall verb - To go down from an upright position suddenly and involuntarily.
Become obsolete and fall are semantically related. Sometimes you can use "Become obsolete" instead a verb "Fall".
Related pairs
Both terms in one sentence
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This time around, they are much weaker though, and quickly fall behind once the level 3 spells become obsolete.
Source: The Red Mage
Cite this Source
Fall and Become obsolete. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/become_obsolete/fall
Become obsolete & Fall. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/become_obsolete/fall>.
Fall or Become obsolete. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/become_obsolete/fall.
Google Ngram Viewer shows how "become obsolete" and "fall" have occurred on timeline