The difference between Sightly and Ugly

When used as adjectives, sightly means attractive, pleasing to the eye, whereas ugly means displeasing to the eye.

Ugly is also noun with the meaning: ugliness.

Ugly is also verb with the meaning: to make ugly (sometimes with up).

check bellow for the other definitions of Sightly and Ugly

Sightly as an adjective:

Attractive, pleasing to the eye; affording gratification to the sense of sight; aesthetically pleasing.
Sightly as an adjective:

Open to sight; conspicuous.

Examples:

"The house stands in a sightly place."

Ugly as an adjective:

Displeasing to the eye; not aesthetically pleasing.
Ugly as an adjective:

Displeasing to the ear or some other sense.
Ugly as an adjective:

Offensive to one's sensibilities or morality.

Examples:

"He played an ugly trick on us."
Ugly as an adjective:

Ill-natured; crossgrained; quarrelsome.

Examples:

"an ugly temper; to feel ugly'"
Ugly as an adjective:

Unpleasant; disagreeable; likely to cause trouble or loss.

Examples:

"an ugly rumour; an ugly customer; an ugly wound"

"With all this competition, expect things to get ugly."

Ugly as a noun (slang, uncountable):

Ugliness.
Ugly as a noun (slang):

An ugly person or thing.
Ugly as a noun (UK, informal, dated):

A shade for the face, projecting from a bonnet.

Examples:

"rfquotek Charles Kingsley"

Ugly as a verb (transitive, nonstandard):

To make ugly (sometimes with up).