sup·pli·ant (sŭp'lē-ənt) adj. Asking humbly and earnestly; beseeching. n. A supplicant.
[From Middle English, one who supplicates, from Old French, present participle of supplier, to entreat, from Latin supplicāre; see supplicate.] sup'pli·ance n., sup'pli·ant·ly adv.
1429, "humble petitioner," from M.Fr. suppliant, originally prp. of supplier "to plead humbly, entreat, beg, pray," from L. supplicare "beg, beseech" (see supplication).