Past tense of dissuade; successfully persuaded someone not to do something they were planning.
From Latin dissuadere (dis- 'away from' + suadere 'to urge'). The past tense adds -ed, marking completion of the action of persuading someone away from a course.
Your parents probably dissuaded you from something risky at least once—interesting fact: people are more dissuaded by telling a story about what went wrong than by statistics about danger.
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