The difference between Nice and Sickening

When used as nouns, nice means niceness, whereas sickening means the act of making somebody sick.

When used as adjectives, nice means pleasant, satisfactory, whereas sickening means causing sickness or disgust.

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 Nice and Sickening

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.