discerning UK /dɪˈsɜː.nɪŋ/US /dɪˈsɝ.nɪŋ/adjective 1noun 1forms 3 adjective1 •Of keen insight or selective judgement; perceptive.The discerning customer will appreciate our new range of quality clothing. noun1 •discernmentEither his notion weakens, his discernings / Are lethargied — 1603 formsdiscernings · more discerning · most discerning