Vehement means showing intense feeling or strong conviction. When someone speaks vehemently, they express themselves with passion, force, and unwavering commitment to what they believe or feel.

Imagine a student who vehemently opposes a new school rule requiring everyone to wear the same color shirt. She doesn't just mention she dislikes it; she argues powerfully against it at the student council meeting, her voice full of conviction and energy. Or picture a scientist who vehemently defends her research findings when others question them, speaking with absolute certainty because she knows her data is solid.

The word carries real force. A vehement denial is an emphatic, powerful rejection that leaves no room for doubt. Someone might be a vehement supporter of animal rights, a vehement critic of a movie, or make a vehement objection to an unfair decision.

Notice that vehement describes the intensity and passion behind what someone says or does, not whether they're right or wrong. You can be vehement about something important or trivial, correct or mistaken. What matters is the fierce energy and absolute conviction you bring to it.