From BiblePortal Wikipedia

Webster's Dictionary [1]

(1): ( superl.) Affected with, or attended by, nausea; inclined to vomit; as, sick at the stomach; a sick headache.

(2): ( superl.) Affected with disease of any kind; ill; indisposed; not in health. See the Synonym under Illness.

(3): ( superl.) Having a strong dislike; disgusted; surfeited; - with of; as, to be sick of flattery.

(4): ( superl.) Corrupted; imperfect; impaired; weakned.

(5): ( n.) Sickness.

(6): ( v. i.) To fall sick; to sicken.

Wilson's Dictionary of Bible Types [2]

 Proverbs 13:12 (b) When the heart is depressed and discouraged, it is represented as being ill. It fails to function as it should, and is deeply affected by adversity.

 Song of Solomon 2:5 (b) The wise man is telling us by this expression that his whole soul and being is given up to love and loving, so that nothing else in the world matters. It makes him unfit for any other occupation. (See also  Song of Solomon 5:8).

 Isaiah 1:5 (a) The Lord is thus describing that which He sees in the minds and thoughts of Israel. They were only evil and wicked continually. Their minds were occupied with rebellion and idolatry, with lust and sin.

King James Dictionary [3]

SICK, a. Qu.Gr. squeamish, lothing.

1. Affected with nausea inclined to vomit as, sick at the stomach. This is probably the primary sense of the word. Hence, 2. Disgusted having a strong dislike to with of as, to be sick of flattery to be sick of a country life.

He was not so sick of his master as of his work. L'Estrange.

3. Affected with a disease of any kind not in health followed by of as to be sick of a fever. 4. Corrupted. Not in use nor proper. 5. The sick, the person or persons affected with the disease. The sick are healed.

SICK, To make sick. Not in use. See Sicken.

Holman Bible Dictionary [4]