Outright

wiktionary

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From Middle English outright, equivalent to out +‎ right.

etymonline

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outright (adv.)

c. 1300, "completely, entirely; openly, directly; at once, without hesitation," from out- + right (adj.1)). Meaning "all at once" is attested from c. 1600. As an adjective, "direct, downright," from 1530s.