(as) plain as day

idiom

Definition of (as) plain as day

: very obvious The answer is (as) plain as day.

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“(as) plain as day.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/%28as%29%20plain%20as%20day. Accessed 11 Aug. 2020.

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