searching UK /ˈsɜːtʃɪŋ/US /ˈsɜɹt͡ʃɪŋ/adjective 2noun 1forms 3 adjective2 •Thorough.Einstein's photoelectric equation has been subjected to very searching tests and it appears in every case to predict exactly the observed results. — 1916 •Looking over closely; penetrating; severe.‘So you are going out there. Famous. Interesting too.’ He gave me a searching glance, and made another note. — 1899 noun1 •Search; hunt.Her songs take us through many mood changes from lighthearted lovesongs and social commentary to a serious searching for answers and understanding. — 1978 formssearchings · more searching · most searching