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THESAURUS

WORDNET DICTIONARY

Adjective open-and-shut has 1 sense

• open-and-shut(s = adj.all) Array - so obvious as to be easily solved or decided; "an open-and-shut case"

THESAURUS

open-and-shut

apparent, ascertained, assured, attested, certified, clear, clear as crystal, crystal-clear, decided, determinate, determined, discernible, distinct, established, evident, explicit, express, fixed, guaranteed, in the bag, indisputable, indubitable, made sure, manifest, nailed down, noticeable, observable, obvious, on ice, palpable, patent, perceivable, perceptible, perspicuous, plain, plain as day, proved, secure, seeable, self-evident, self-explaining, self-explanatory, set, settled, stated, straightforward, tangible, tested, to be seen, tried, unmistakable, visible, warranted

For further exploring for "open-and-shut" in Webster Dictionary Online