An attack directed at a person's character or private life rather than at their arguments or actions; a personal attack.
SNSで意見を言っただけなのに、個人攻撃が始まった。
Just for expressing an opinion on social media, personal attacks started.
建設的な議論にするために、個人攻撃は避けるべきだ。
To keep the discussion constructive, personal attacks should be avoided.
彼のコメントは政策への批判ではなく個人攻撃だと多くの人が批判した。
Many criticized his comment as a personal attack rather than criticism of policy.