non-gradableBrE /ˌnɒn ˈɡreɪdəbl/ 🔊NAmE /ˌnɑːn ˈɡreɪdəbl/ 🔊 adjective (grammar 语法) (of an adjective 形容词) that cannot be used in the comparative and superlative forms, or be used with words like 'very' and 'less' 非级差的；不与程度副词连用的 OPP gradable