Difference between Discourteous and Brusk

DISCOURTEOUS vs BRUSK: ADJECTIVE

In heraldry, tawny.
To treat with scant courtesy or in a brusk, offhand way: as,”in this first dialogue he brusques Tasso,”
Synonyms see abrupt.
Abrupt in manner; rough; rude.

Unprofessional, Inconsiderate, Disrespectful, Rude, Short, Unceremonious, Abrupt, Caddish, Ungallant, Brusk, Curt, Unchivalrous, Brusque, Ungracious, Impolite

Uncouth, Tactless, Gruff, Haughty, Pushy, Boorish, Rude, Unstatesmanlike, Arrogant, Insolent, Brash, Short, Discourteous, Curt, Brusque

Unprofessional, Inconsiderate, Disrespectful, Rude, Short, Unceremonious, Abrupt, Caddish, Ungallant, Brusk, Curt, Unchivalrous, Brusque, Ungracious, Impolite

Uncouth, Tactless, Gruff, Haughty, Pushy, Boorish, Rude, Unstatesmanlike, Arrogant, Insolent, Brash, Short, Discourteous, Curt, Brusque

Always be courteous, even if the lawyer questioning you may appear discourteous.
Discourteous treatment of the public or fellow employees while on duty.
In some extreme instances, discourteous behavior may be considered workplace violence.
You will encounter a discourteous, pushy, or aggressive person on occasion.
That step would be irregular, and discourteous to the administration.
Your underwriting department Mitchell is very discourteous to its customers.
Discourteous treatment of the public or a fellow employee.
Why do you think the narrator was so discourteous?
Orlando FL employees are totally discourteous and abusive.
Unjust criticism and discourteous conduct are not actionable.