| Abolitionist | Person who worked to end slavery |
| Acquit | To find an accused person innocent in a court of law |
| Airs | Actions of a person who thinks he or she is superior over others |
| Bullyragged | Bullied, scared someone by using force |
| Campaign | Plan |
| Carpet-Bags | Traveling bags or suitcase made of carpet |
| Eiphered | Figured out |
| Congress-Water | Salty mineral water from Congress Springs |
| Cravat | Necktie; slang for hangman's noose |
| Dasn't | Dared not |
| Dauphin | Title of the eldest son of the KIng of France |
| Delirium Tremens | Nervous and mental disorder caused by alcoholism, Insomnia, restlessness, and Hallucinations often accompany it |
| Doggery | Cheap saloon |
| Doxolojer | Huck's misuse of the word "doxology" |
| Encores | Audience demands or request for a repeat performance |
| (The) Fantods | State of having the fidgets, being nervous about something |
| Fox-Fire | Moss or fungus that appears to glow |
| Galluses | Suspenders |
| Galoot | Slang word for a big, strong man who is thought to be foolish or stupid |
| Heathens | People who don't believe in the God of the Bible |
| Hive | Hide or store in hiding |