Difference between Ugly and Sinister

UGLY vs SINISTER: NOUN

One that is ugly.
Pl. uglies (-liz). An ugly person.
A shade for the eyes worn as an appendage to the bonnet by women about the middle of the nineteenth century. It was generally of the character of a calash, but smaller. See sunshade .
A shade for the face, projecting from the bonnet.
An ugly person or thing.
Ugliness

Displeasing to the eye; not aesthetically pleasing.
Unpleasant; disagreeable; likely to cause trouble or loss.
Offensive to the sight; contrary to beauty; being of disagreeable or loathsome aspect; unsightly; repulsive; deformed.
Displeasing to the ear or some other sense.
Deficient in beauty
Morally reprehensible
Inclined to anger or bad feelings with overtones of menace
Provoking horror
Displeasing to the eye; unsightly.
Repulsive or offensive; objectionable.
Marked by or inclined to anger or bad feelings; disagreeable.
Likely to cause embarrassment or trouble.
Rude.
Unmanageable. Used of animals, especially cows or horses.
Morally reprehensible; bad.
Threatening or ominous.
Threatening or foreshadowing evil or tragic developments
Displeasing to the senses and morally revolting
Displeasing to the senses
Offensive to one's sensibilities or morality.

On the left side of a shield from the wearer's standpoint, and the right side to the viewer.
Of the left side.
Evil or seemingly evil; indicating lurking danger or harm.
Inauspicious, ominous, unlucky, illegitimate (as in bar sinister).
See under Escutcheon.
An appearance of two planets happening according to the succession of the signs, as Saturn in Aries, and Mars in the same degree of Gemini.
See under Bar, n.
Indicative of lurking evil or harm; boding covert danger.
Wrong, as springing from indirection or obliquity; perverse; dishonest; corrupt.
Unlucky; inauspicious; disastrous; injurious; evil; -- the left being usually regarded as the unlucky side.
On the left hand, or the side of the left hand; left; -- opposed to dexter, or right.
Situated on or being the side of a shield on the wearer's left and the observer's right.
On the left side; left.
Portending misfortune or disaster; ominous.
Causing or intending harm or evil; wicked.
Suggesting or threatening harm or evil.
Threatening or foreshadowing evil or tragic developments
Stemming from evil characteristics or forces; wicked or dishonorable
On or starting from the wearer's left
Attended by or causing misfortune or disaster.

Cross, sulky, morose, ill-tempered, crabbed.
Synonyms Unsightly, homely, ill-favored, hard-favored, hideous.
Threatening painful or fatal consequences; dangerous: as, an ugly blow; an ugly cut.
Ill-natured; cross-grained; quarrelsome; ill-conditioned.
Disagreeable; offensive; suggestive of or threatening evil; associated with disadvantage or danger: as, an ugly rumor of defeat.
Morally repulsive or deformed; hideous; base; vile.
Unpleasing or repulsive in appearance; offensive to the sight; of very disagreeable aspect.
To make ugly; disfigure; uglify.

Left, as opposed to right; on the left side; specifically, in heraldry, noting the left-hand side of the person who carries the shield on his arm (therefore the right-hand side of the spectator): the sinister part of the escutcheon is opposed to the dexter part (see dexter).
On or toward the left or unlucky side; hence, of ill omen; inauspicious; threatening or suggesting evil.
Bringing evil; harmful; malign; unfortunate in results.
Unpleasant; disagreeable.
Malicious; evil; base; wrong.
Wicked or dishonorable

Despicable, Monstrous, Alarming, Vile, Unaesthetic, Ominous, Unlovely, Horrifying, Repulsive, Grotesque, Frightful, Atrocious, Unsightly, Horrible, Hideous

Nefarious, Minacious, Threatening, Black, Sinistral, Forbidding, Ugly, Alarming, Dark, Baleful, Wicked, Minatory, Menacing, Ominous, Evil

Despicable, Monstrous, Alarming, Vile, Unaesthetic, Ominous, Unlovely, Horrifying, Repulsive, Grotesque, Frightful, Atrocious, Unsightly, Horrible, Hideous

Nefarious, Minacious, Threatening, Black, Sinistral, Forbidding, Ugly, Alarming, Dark, Baleful, Wicked, Minatory, Menacing, Ominous, Evil

The large room was hot, black ugly cricket.
He has no fear of ugliness, but he cultivates the ugly because it is the real, not the real because it is the ugly.
The original ugly Christmas sweater brand with funny Christmas sweaters for men, Chanukah sweaters, and ugly Christmas sweaters for men.
When this album is bad and ugly, it gets really really bad and ugly!
It was an ugly game and when the game turned ugly, I turned the ugliest.
She chooses Hulga as her new name because she believes that is a very ugly name, and fit for her ugly physical appearance.
This should be my long stay visa to France: the ugly, the ugly, and the very, very bad.
The question was, will ugly Jerry and ugly Tom help their respective, more attractive, brothers?
Meaning: An ugly thing will remain ugly even if its appearance is taken care of.
Capitalism in China is an ugly, ugly thing.

These proposals have no sinister purpose at all.
Both have a vague hint of sinister punishment.
The crowd responds violently and with sinister intent.
This song oozes sex appeal and sinister intention.
Like this extending a tight boss by means of a sinister side of the yours with the until your sinister ear.
For example, if enemy leads Mister Sinister you will want to use Ultron because Sinister will clone Ultron spawns most of the time.
Sinister in the face to get him where she wants him, but Sinister seems to like it!
Many myths and legends speak of dark and sinister figures and sinister, magical acts deep in the woods.
If Mister Sinister is an ally, transfer all positive effects from the primary target to Mister Sinister.
The backcountry Marlow travels through is sinister, and the natives become more sinister as well.