Read Edit View history 必要 bìyào HSK3 necessary Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 必要 bìyào necessary necessary; essential; indispensable; required Edit Delete 必要 bìyào necessity need; requirement; necessity Edit Delete References Add reference synonym 必须/必須 → 必要/必要 Edit Delete synonym 必需/必需 → 必要/必要 Edit Delete antonym 不要/不要 → 必要/必要 Edit Delete synonym 需要/需要 → 必要/必要 Edit Delete synonym 必得/必得 → 必要/必要 Edit Delete