2. Initialism. undergraduate ¹
3. Proper noun. ( male given name) ¹
4. Proper noun. (humorous) (non-gloss definition Popular supposed name for a caveman or other prehistoric man.) ¹
5. Noun. (obsolete) Fear; horror. ¹
6. Noun. (dialectal) A surfeit. ¹
7. Verb. (obsolete) To feel dread, loathing or disgust. ¹
8. Verb. (obsolete) To fear, feel horror; shudder with horror. ¹
9. Symbol. (alternative spelling of µg) ¹
¹ Source: wiktionary.com
Definition of Ug
1. to arouse loathing in [v UGGED, UGGING, UGS]
Medical Definition of Ug
1. Symbol for microgram. (05 Mar 2000)