Difference between Rude and Discourteous

RUDE vs DISCOURTEOUS: ADJECTIVE

Belonging to an early stage of technical development; characterized by simplicity and (often) crudeness
(of persons) lacking in refinement or grace
Ill-mannered, discourteous, or insulting.
Undeveloped or uncivilized; primitive.
Crude, unfinished, or made with limited skill.
In a natural, raw state.
Unpleasantly forceful or harsh.
Vigorous or robust.
Lacking education or refinement.
Socially incorrect in behavior
(used especially of commodities) being unprocessed or manufactured using only simple or minimal processes
Hearty, vigorous; found particularly in the phrase rude health.
Undeveloped, unskilled, basic.
Tough, robust.
Obscene, pornographic, offensive.
Bad mannered.
Characterized by roughness; umpolished; raw; lacking delicacy or refinement; coarse.
Unformed by taste or skill; not nicely finished; not smoothed or polished; -- said especially of material things.
Of untaught manners; unpolished; of low rank; uncivil; clownish; ignorant; raw; unskillful; -- said of persons, or of conduct, skill, and the like.
Violent; tumultuous; boisterous; inclement; harsh; severe; -- said of the weather, of storms, and the like.
Barbarous; fierce; bloody; impetuous; -- said of war, conflict, and the like; as, the rude shock of armies.
Not finished or complete; inelegant; lacking chasteness or elegance; not in good taste; unsatisfactory in mode of treatment; -- said of literature, language, style, and the like.
Lacking civility or good manners

Rudely.
Rough; crude; unwrought; unfashioned; ill-fashioned; without finish or shapeliness: as, a rude mass of material.
Lacking cultivation, refinement, or elegance; clumsy; uncouth: as, rude verses; rude art.
Mean; humble; little known or regarded; hence, as said of persons, low by birth or position.
Barbarous; uncivilized; unpolished; ignorant.
Having a fierce or cruel disposition; ferocious; sanguinary; savage; brutal.
Marked by or expressing fierceness or savageness; ferocious, fierce, or cruel in quality.
Ill-bred; boorish; uncivil; discourteous; impolite.
Marked, by incivility; contrary to the requirements of. courtesy: as, rude conduct; a rude remark.
Rough; tempestuous; stormy: as, a rude gale; rude weather.
Robust; sturdy; rugged; vigorous.
Synonyms Ill-shaped, raw, uncouth, unformed.
7 and Vulgar, loutish, boorish, ill-bred, insolent, surly, churlish, gruff, brusk.
Harsh, inclement, violent, turbulent.

Ill mannered, Lowbred, Bounderish, Underbred, Early, Natural, Unprocessed, Raw, Crude, Primitive, Unrefined, Unmannered, Uncivil, Unmannerly, Impolite

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

Lowbred, Ill mannered, Ill bred, Bounderish, Early, Natural, Unprocessed, Raw, Crude, Primitive, Unrefined, Unmannered, Uncivil, Unmannerly, Impolite

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

Some of the comments on here are rude.
During this time her tone became increasingly rude.
They may be rude, anxious, or downright aggressive.
Horrible Experience, other kids were rude and privileged.
For those of you saying its rude its not rude it happens especially if you are a single parent.
The workers were rude on deliver and rude on the times we did carry out!
It may seem rude, but, you need a final head count and if they have not replied, then they are actually the rude ones!
If some customer was rude, you gained nothing by being rude in return and were likely to put off anyone else within earshot.
Telling people they are rude is generally not very useful, as well as being rude itself.
Catcalling and rude remarks and rude noises are a constant at women.

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.