startling UK /ˈstɑː.tl̩.ɪŋ/US /ˈstɑɹ.tl̩.ɪŋ/adjective 1noun 1forms 3 adjective1 •Likely to startle; surprising; shocking.That startling admission capped a miserable night for City as they arrived in Germany following an unbeaten start to the season. — 2011 noun1 •A startle; a sudden motion or shock.Soon the formications and muscular debility returned, not alone, but accompanied with painful cramps and startlings in the feet and calves of the legs. — 1853 formsstartlings · more startling · most startling