1. to give reasons for or against something; to present a case or viewpoint
2. to disagree or quarrel with someone, often angrily
3. to persuade someone by giving reasons

Examples

• She argues that the new policy will benefit everyone.
• The lawyer argues the case before the judge.
• They always argue about money.
• Don’t argue with your parents about bedtime.
• He argues convincingly for environmental protection.
• The children argue over which movie to watch.
• Scientists argue that climate change is real.