pellucid, bare, seeming, limpid, lucid, unvarnished, unembellished, transparent, sharp, apparent, unsubtle, discernible, intelligible, unpatterned, evident, broad, explicit, sheer, unmixed, diaphanous, spare, distinct, unambiguous, manifest, see, ostensible, perspicuous, observable, unornamented, obvious, unadorned, homely, straightforward, unmingled, translucent, plain
certain (part of speech: adjective)
clear, confident, set, definite, decisive, incontestable, assured, indisputable, indubitable, trusting, veritable, irrefragable, decided, sure, irrefutable, doubtless, unequivocal, convinced, patent, steadfast, undeniable, undoubted, unquestionable, positive, absolute, incontrovertible, certain
- The Professor was always at his side during these periods, and while he had no instruments to enable him to determine whether there was a high fever present, the flushed face of his patient showed unmistakable symptoms. - "The Wonder Island Boys: Exploring the Island", Roger Thompson Finlay.
- The interest of her tone was unmistakable. - "The Mormon Prophet", Lily Dougall.
- So he sat until about the hour of sunset, when the womanfolk of the place gathered to the temple, and then he saw one whose stately step and carriage were unmistakable. - "A Galahad of the Creeks; The Widow Lamport", S. (Sidney) Levett-Yeats.