(all) the more so

phrase

used to say why something (such as an attribute or quality) applies to a greater degree or extent
The play was impressive—(all) the more so because the students had written it themselves.

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“(all) the more so.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/%28all%29%20the%20more%20so. Accessed 14 Mar. 2026.

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