1. to express loud, harsh, or bitter criticism or protest; to denounce vehemently
Usage: formal; often used with 'against'
2. to explode or detonate; to issue forth suddenly and violently
Usage: archaic; rare

Examples

• The senator fulmines against corruption in government.
• Environmental groups fulmine about the lack of climate action.
• He fulmines constantly about rising prices.
• Critics fulmine against the new policy on social media.
• The activist fulmines against injustice with passionate speeches.
• She fulmines about the unfair treatment of workers.