From BiblePortal Wikipedia

Webster's Dictionary [1]

(1): ( superl.) Pleasing to the eye; beautiful; mild and attractive; fair; as, a sweet face; a sweet color or complexion.

(2): ( superl.) Pleasing to the ear; soft; melodious; harmonious; as, the sweet notes of a flute or an organ; sweet music; a sweet voice; a sweet singer.

(3): ( superl.) Not changed from a sound or wholesome state. Specifically: (a) Not sour; as, sweet milk or bread. (b) Not state; not putrescent or putrid; not rancid; as, sweet butter; sweet meat or fish.

(4): ( superl.) Pleasing to the smell; fragrant; redolent; balmy; as, a sweet rose; sweet odor; sweet incense.

(5): ( superl.) Having an agreeable taste or flavor such as that of sugar; saccharine; - opposed to sour and bitter; as, a sweet beverage; sweet fruits; sweet oranges.

(6): ( n.) That which is sweet to the taste; - used chiefly in the plural.

(7): ( n.) Confectionery, sweetmeats, preserves, etc.

(8): ( n.) Home-made wines, cordials, metheglin, etc.

(9): ( n.) That which is sweet or pleasant in odor; a perfume.

(10): ( n.) That which is pleasing or grateful to the mind; as, the sweets of domestic life.

(11): ( n.) One who is dear to another; a darling; - a term of endearment.

(12): ( adv.) Sweetly.

(13): ( v. t.) To sweeten.

(14): ( superl.) Fresh; not salt or brackish; as, sweet water.

(15): ( superl.) Plaesing to the mind; mild; gentle; calm; amiable; winning; presuasive; as, sweet manners.

King James Dictionary [2]

SWEET, a. L. suavis.

1. Agreeable or grateful to the taste as, sugar or honey is sweet. 2. Pleasing to the smell fragrant as a sweet rose sweet odor sweet incense.  Exodus 26 3. Pleasing to the ear soft melodious harmonious as the sweet notes of a flute or an organ sweet music a sweet voice. 4. Pleasing to the eye beautiful as a sweet face a sweet color or complexion a sweet form. 5. Fresh not salt as sweet water. 6. Not sour as sweet fruits sweet oranges. 7. Mild soft gentle.

Canst thou bind the sweet influences of Pleiades?

 Job 38 .

8. Mild soft kind obliging as sweet manners. 9. Grateful pleasing.

Sweet interchange of hill and valley.

10. Making soft or excellent music as a sweet singer. 11. Not stale as sweet butter. The bread is sweet. 12. Not turned not sour as sweet milk. 13. Not putrescent or putrid as, the meat is sweet.

SWEET, n. Something pleasing or grateful to the mind as the sweets of domestic life.

A little bitter mingled in our cup, leaves no relish of the sweet.

1. A sweet substance particularly, any vegetable juice which is added to wines to improve them. 2. A perfume. 3. A word of endearment. 4. Cane juice, melasses,or other sweet vegetable substance.

Vine's Expository Dictionary of NT Words [3]

1: Γλυκύς (Strong'S #1099 — Adjective — glukus — gloo-koos' )

(cp. Eng., "glycerine," "glucose"), occurs in  James 3:11,12 (AV, "fresh" in this verse);   Revelation 10:9,10 .