Difference between Unpleasant and Rude

UNPLEASANT vs RUDE: ADJECTIVE

Undeveloped or uncivilized; primitive.
In a natural, raw state.
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
Crude, unfinished, or made with limited skill.
Unpleasantly forceful or harsh.
Vigorous or robust.
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

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-bred; boorish; uncivil; discourteous; impolite.
Marked by or expressing fierceness or savageness; ferocious, fierce, or cruel in quality.
Having a fierce or cruel disposition; ferocious; sanguinary; savage; brutal.
Marked, by incivility; contrary to the requirements of. courtesy: as, rude conduct; a rude remark.
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.
Barbarous; uncivilized; unpolished; ignorant.

Unhappy, Caustic, Acrid, Mortifying, Bitter, Unlovely, Grim, Obnoxious, Hellish, Harsh, Dreadful, Awful, Embarrassing, Nasty, Painful

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

Unhappy, Caustic, Acrid, Mortifying, Bitter, Unlovely, Grim, Obnoxious, Hellish, Harsh, Dreadful, Awful, Embarrassing, Nasty, Painful

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

II Stonedll driving is unpleasant, say marijuana smokers.
At its worst, it is painful and unpleasant.
And that presents a number of unpleasant symptoms.
Someone that is old, wrinkly and generally unpleasant.
Being set up for failure is incredibly unpleasant.
It left such a sticky and unpleasant film.
You meet your Tour MENTOR andthe UNPLEASANT STRANGER.
In general, pictures of death are less unpleasant, elicit less arousal, and have greater dominance than unpleasant pictures.
Similarly, the spiciness of black pepper is unpleasant to some people so it might also be unpleasant for rats.
Because punishment is unpleasant, it can also trigger aggression just like other unpleasant events.

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.