Difference between Impolite and Rude

IMPOLITE vs RUDE: ADJECTIVE

Not polite; not of polished manners; wanting in good manners; discourteous; uncivil; rude.
Not polite
Not polite; discourteous.

Vigorous or robust.
In a natural, raw state.
Crude, unfinished, or made with limited skill.
Undeveloped or uncivilized; primitive.
Ill-mannered, discourteous, or insulting.
(of persons) lacking in refinement or grace
Belonging to an early stage of technical development; characterized by simplicity and (often) crudeness
Lacking civility or good manners
Socially incorrect in behavior
Unpleasantly forceful or harsh.
Lacking education or refinement.
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.
Bad mannered.
Obscene, pornographic, offensive.
Tough, robust.
Undeveloped, unskilled, basic.
Hearty, vigorous; found particularly in the phrase rude health.
(used especially of commodities) being unprocessed or manufactured using only simple or minimal processes

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.
Marked, by incivility; contrary to the requirements of. courtesy: as, rude conduct; a rude remark.
Ill-bred; boorish; uncivil; discourteous; impolite.
Marked by or expressing fierceness or savageness; ferocious, fierce, or cruel in quality.
Rough; tempestuous; stormy: as, a rude gale; rude weather.
Barbarous; uncivilized; unpolished; ignorant.
Mean; humble; little known or regarded; hence, as said of persons, low by birth or position.
Lacking cultivation, refinement, or elegance; clumsy; uncouth: as, rude verses; rude art.
Rough; crude; unwrought; unfashioned; ill-fashioned; without finish or shapeliness: as, a rude mass of material.
Rudely.
Having a fierce or cruel disposition; ferocious; sanguinary; savage; brutal.

Polite, Ungentlemanly, Impertinent, Nude, Horrible, Disrespectful, Ill mannered, Unmannered, Bratty, Brattish, Unparliamentary, Ungracious, Unmannerly, Discourteous, Rude

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

Polite, Ungentlemanly, Impertinent, Nude, Horrible, Disrespectful, Ill mannered, Unmannered, Bratty, Brattish, Unparliamentary, Ungracious, Unmannerly, Discourteous, Rude

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