armchair

1 armchair /ˈɑɚmˌtʃeɚ/ noun
plural armchairs
1 armchair
/ˈɑɚmˌtʃeɚ/
noun
plural armchairs
Britannica Dictionary definition of ARMCHAIR
[count]
: a chair with supports for your arms
2 armchair /ˈɑɚmˌtʃeɚ/ adjective
2 armchair
/ˈɑɚmˌtʃeɚ/
adjective
Britannica Dictionary definition of ARMCHAIR
always used before a noun
1 
— used to describe people who like to read about or watch the dangerous or exciting activities of other people
2 
— used to describe people who like to give opinions about matters they do not have to deal with themselves and do not have responsibility for