| Word | Definitions | Synonyms |
|---|---|---|
| addible | (adjective) capable of being added or added to | Synonyms: addable |
| addicted | (adjective) compulsively or physiologically dependent on something habit-forming | - |
| addictive | (adjective) causing or characterized by addiction | Synonyms: habit-forming |
| additional | (adjective) further or added | Synonyms: extra |
| additive | (adjective) characterized or produced by addition | - |
| (adjective) designating or involving an equation whose terms are of the first degree | Synonyms: linear |