B2[C]a situation or subject that is being dealt with or considered: Could I talk to you about a personal matter?Alois denied any knowledge of the matter.Will you phone me back - it's a matter of some importance.Talking about the world's problems is one thing, but solving them is another matter altogether(= is completely different).Topics and areas of interestmatters[plural]›the situation being dealt with or being discussed: Her resignation is not going to help matters.Topics and areas of interestto make matters worseB2used to say that something has made a bad or difficult situation worse: Three of our players were ill, and to make matters worse, our main scorer had broken his ankle.Deteriorating and making worsebe a matter of confidence, luck, waiting, etc.C2If something is a matter of confidence, luck, waiting, etc. that is all you need for it to happen: Baking a cake isn't difficult - it's just a matter of following the recipe.Easiness and simplicitybe no laughing matterC2to be very serious and not a situation that people should joke about: Being arrested by the police is no laughing matter.Serious and severeSevere