Sump″tu‐ous (?), a. [L. sumptuosus, fr. sumptus expanse, cost: cf. F. somptueux. See Sumptuary.] Involving large outlay or expense; costly; expensive; hence, luxurious; splendid; magnificient; as, a sumptuous house or table; sumptuous apparel.
We are too magnificient and sumptuous in our tables and attendance. Atterbury.
She spoke, and turned her sumptuous head, with eyes
Of shining expectation fixed on mine. Tennyson.
— Sump″tu‐ous‐ly, adv. — Sump″tu‐ous‐ness, n.