刺激 Traditional form: 刺激 Pinyin (reading): cìjī Definitions: to provoke; to irritate; to upset; to stimulate; to excite irritant Characters: 刺 - to stab; to prick, to irritate; to prod 激 - to arouse, to incite; acute, sharp; fierce, violent Traditional characters: 刺 - to stab; to prick, to irritate; to prod 激 - to arouse, to incite; acute, sharp; fierce, violent