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Chlorine is added to disinfect and UV radiation helps kill off additional microorganisms.—Sophie Hartley, IndyStar, 26 Jan. 2026 Stellantis, the parent company of Jeep, Dodge and Chrysler, killed off its entire plug-in hybrid line, despite the Wrangler 4xe outselling all other PHEVs a few years ago.—Robert Duffer, AJC.com, 23 Jan. 2026 City’s 2-0 defeat to Manchester United earlier in the day gave Arsenal the chance to all but kill off their chances of taking the league title, with a would-be nine-point gap leaving Pep Guardiola’s side with an huge mountain to climb in the remaining 16 matches.—Dan Sheldon, New York Times, 17 Jan. 2026 Malden Catholic killed off a late penalty, and some 6-on-4 play, to preserve the lead.—Tom Mulherin, Boston Herald, 15 Jan. 2026 See All Example Sentences for kill off