<p><strong>Adjective</strong></p><ul><li>having the quality of corroding or eating away; erosive.</li><li>harmful or destructive; deleterious: the corrosive effect of poverty on their marriage.</li><li>sharply sarcastic; caustic: corrosive comments on the speaker's integrity.</li></ul><p><strong>Noun</strong></p><ul><li>something corrosive, as an acid or drug.</li></ul>