Meaning of fluster In English

• 0 to make someone upset and confused, especially when they are trying to do something

• 1 an upset and confused state:

  • The important thing when you're cooking for a lot of people is not to get in a fluster.

• 2 to make someone nervous or upset, esp. when the person is trying to do something:

  • Don’t let that new tax form fluster you – it’s not as bad as it looks.