Improve upon antonyms

What is the opposite word for Improve upon?

Antonyms for improve upon
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Photo search results for Improve upon
Crop anonymous male worker in gloves holding putty knife while working at home Crop unrecognizable male worker holding drill with tool and mixing cement in plastic container Stack of empty cardboard boxes prepared for relocation from home Crop anonymous male worker in gloves holding scraper and aligning walls in flat Roller for paint on floor at home Ladder with scotch in flat during renovation
Cite this Source
Antonyms for Improve upon. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/antonyms/improve_upon
Antonyms for Improve upon. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/antonyms/improve_upon>.
Antonyms for Improve upon. 2016. Accessed July 21, 2026. https://thesaurus.plus/antonyms/improve_upon.