Entry 2 senses · 2 variants Webster, 1913 yearning /yẽrn'-ĭng/ · yearn·ing · IPA /ˈjɝnɪŋ/ n. adj. 01 n. prolonged unfulfilled desire or need. 1. prolonged unfulfilled desire or need. Syn. longing. 02 adj. full of longing or unfulfilled desire. 1. full of longing or unfulfilled desire. Syn. wistful.