noun, noun or participle which takes 'suru', intransitive verb
striding; swaggering; strutting
Describes walking with long, confident, often arrogant steps. Can be used literally for a physical gait or figuratively for acting boldly.
彼は街を闊歩している。
He is striding through the town.
新入社員が社内を闊歩
It's unusual for a new employee to swagger around the office.
noun, noun or participle which takes 'suru', intransitive verb
lording it over others; throwing one's weight around; acting as if one owns the place
Figurative extension: behaving arrogantly or domineeringly, as if one has the right to do as one pleases. Often used in contexts of power or social dominance.
あの政治家は地元で闊歩している。
That politician throws his weight around in his hometown.
成功したからといって、人前で闊歩するのはみっともない。
Even if you've succeeded, it's unbecoming to act as if you own the place in front of others.