1. if something is a matter of opinion, different people have different opinions about it.

I don't think there is a perfect way to teach a child to read - it's a matter of opinion, really.

2. if you say that something someone has just said is a matter of opinion, you mean that you do not agree.

'She's a wonderful mother.' 'That's a matter of opinion.'

• the power behind the throne
• the powers that be
• the primrose path
• the prodigal son
• the promised land
• the proof of the pudding .
• the proof of the pudding
• the proof of the pudding is in the eating
• the proof of the pudding is in the eating.
• the pros and cons
• the rank and file
• the real McCoy
• there and then
• There are no flies on .
• There are no flies on someone.
• There are plenty more where that came from.
• There are plenty more where they came from.
• There but for the grace of God .
• There but for the grace of God go I.
• Thereby hangs a tale.
• the received wisdom
• the red-carpet treatment
• the red-light district
• Therein hangs a tale.
• There is more to someone than meets the eye.