C2[C]a way of dealing with or thinking about something or someone: The government's official line has always been to refuse to negotiate with terrorists.The courts should take a tougher line with(= punish more severely) sex offenders.Several Labour MPs disagree with their party's line on taxation.What sort of line (= method of arguing) do you think we should take in the pay negotiations?The police are confident that this new line of inquiry will lead them to the murderer.It seems inevitable that the country will be divided along ethnic lines.Ways of achieving thingsOpinions, beliefs and points of viewline of reasoning, thinking, etc.C2a way of thinking about a particular subject: We cannot agree with their line of reasoning.