Definitions
1.AdverbIf a possible worst-case scenario actually occurs.
2.Adverb↑ https://brians.wsu.edu/2016/05/19/worse-comes-to-worse/
3.Adverb↑ http://www.nytimes.com/2011/02/06/magazine/06FOB-onlanguage-t.html
4.Adverb↑ worst comes to worst at The Mavens' Word of the Day
5.Adverb↑ “Archived copy”, in (Please provide the book title or journal name), 6 February 2023 (last accessed), archived from the original on 6 February 2023
6.Adverb↑ https://dictionary.cambridge.org/dictionary/english/if-the-worst-comes-to-the-worst