否ひ定てい文ぶんひていぶんMeanings1nounnegative sentencegrammarA grammatical term referring to a sentence that expresses negation, such as one ending in ない or ません. Antonym: 肯定文 (affirmative sentence).Antonyms: 肯定文「私わたしは学がく生せいではありません」は否ひ定てい文ぶんです。"I am not a student" is a negative sentence.