The difference between Nasty and Nice

When used as nouns, nasty means something nasty, whereas nice means niceness.

When used as adjectives, nasty means dirty, filthy, whereas nice means pleasant, satisfactory.

Nice is also adverb with the meaning: nicely.

Nice is also verb with the meaning: to run a process with a specified (usually lower) priority.

check bellow for the other definitions of Nasty and Nice

Nasty as an adjective (now, _, chiefly, _, US):

Dirty, filthy.
Nasty as an adjective:

Contemptible, unpleasant (of a person).
Nasty as an adjective:

Objectionable, unpleasant (of a thing); repellent, offensive.
Nasty as an adjective:

Indecent or offensive; obscene, lewd.
Nasty as an adjective:

Spiteful, unkind.
Nasty as an adjective (chiefly, _, UK):

Awkward, difficult to navigate; dangerous.
Nasty as an adjective (chiefly, _, UK):

Grave or dangerous (of an accident, illness etc.).
Nasty as an adjective (slang, chiefly, _, US):

Formidable, terrific; wicked.

Nasty as a noun (informal):

Something nasty.

Examples:

"Processed foods are full of aspartame and other nasties."

"This video game involves flying through a maze zapping various nasties."
Nasty as a noun (euphemistic, preceded by "the"):

Sexual intercourse.

Nice as an adjective:

Pleasant, satisfactory.
Nice as an adjective:

Of a person: friendly, attractive.
Nice as an adjective:

Respectable; virtuous.

Examples:

"What is a nice person like you doing in a place like this?"
Nice as an adjective:

With "and", shows that the given adjective is desirable: pleasantly.

Examples:

"The soup is nice and hot."
Nice as an adjective (obsolete):

Silly, ignorant; foolish.
Nice as an adjective (now, rare):

Particular in one's conduct; scrupulous, painstaking; choosy.
Nice as an adjective (obsolete):

Particular as regards rules or qualities; strict.
Nice as an adjective:

Showing or requiring great precision or sensitive discernment; subtle.
Nice as an adjective (obsolete):

Easily injured; delicate; dainty.
Nice as an adjective (obsolete):

Doubtful, as to the outcome; risky.

Nice as an adverb (colloquial):

Nicely.

Examples:

"Children, play nice."

"He dresses real nice."

Nice as a verb (transitive, computing, Unix):

To run a process with a specified (usually lower) priority.