Shamefast \Shame"fast\, a. [AS. scamf[ae]st.] Modest; shamefaced. -- {Shame"fast*ly}, adv. -- {Shame"fast*ness}, n. [Archaic] See {Shamefaced}. Shamefast she was in maiden shamefastness. --Chaucer. [Conscience] is a blushing shamefast spirit. --Shak. Modest apparel with shamefastness. --1 Tim. ii. 9 (Rev. Ver.).