armchair critic

English

Noun

armchair critic (plural armchair critics)

1. A person who makes criticisms on a subject they have little knowledge of or practical experience in.
   • 2021 March 14, Vikram Dodd, Aamna Mohdin, Aubrey Allegretti, “Cressida Dick refuses to quit over vigil policing and dismisses 'armchair critics'”, in The Guardian‎^[1]:

     Britain’s most senior police chief defied pressure to resign as she dismissed “armchair” critics amid widespread outrage over officers manhandling women who were mourning the killing of Sarah Everard.

References

• “armchair critic”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.