Definition of "speak up" []

• To talk more loudly or plainly. (verb)
• To make oneself or one's opinions known; to advocate or assert oneself. (verb)

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• "Mai Long Kwo was an educated boy with an unfortunate interest in politics and the more unfortunate habit of allowing his hot blood to speak up when he should not."
• "You, at the Reindeer Hearth, do have a right to speak up since changes in the Crane Hearth are more likely to cause changes in your space."
• "He also further provoked the students by refusing to speak up for four Nanterre students arrested at an anti-Vietnam War demonstration near the Paris Opera."