<p><strong>Verb</strong></p><ul><li>(used with object) to hasten the occurrence of; bring about prematurely, hastily, or suddenly: to precipitate an international crisis.</li><li>Synonyms: accelerate.</li><li>Antonyms: retard.</li><li>to cast down headlong; fling or hurl down.</li><li>to cast, plunge, or send, especially violently or abruptly: He precipitated himself into the struggle.</li><li>Chemistry: to separate (a substance) in solid form from a solution, as by means of a reagent.</li><li>Synonyms: crystallize.</li></ul><p><strong>Adjective</strong></p><ul><li>headlong: a precipitate fall down the stairs.</li><li>rushing headlong or rapidly onward.</li><li>proceeding rapidly or with great haste: a precipitate retreat.</li><li>exceedingly sudden or abrupt: a precipitate stop; a precipitate decision.</li><li>done or made without sufficient deliberation; overhasty; rash: a precipitate marriage.</li><li>Synonyms: impetuous, reckless.</li><li>Antonyms: careful.</li></ul><p><strong>Noun</strong></p><ul><li>Chemistry: a substance precipitated from a solution.</li><li>moisture condensed in the form of rain, snow, etc.</li></ul>