Entry 3 senses · 2 variants Webster, 1913 outright /out-rītʹ/ approx. · out·right · IPA /aʊtˈɹaɪt/ adj. adv. 01 adj. Downright; plain; unqualified; utter; straight-out; as, an outright lie. 1. Downright; plain; unqualified; utter; straight-out; as, an outright lie. Syn. flat-out, out-and-out. 02 adv. Immediately; without delay; at once; as, he was killed outright. 1. Immediately; without delay; at once; as, he was killed outright. 2. Completely; utterly.