- Denotes addiction to the substance or activity of the stem word.
- The form -holic is usually used with words already ending with vowels. For stems ending with consonants, the phonetically pleasant forms -aholic or -oholic may be more common.
- In contemporary modern English "-holic" is a suffix that can be added to a subject to denote an addiction to it. The term is derived from alcoholism, one of the first addictions to be widely identified both medically and socially.
- There are other more formal terms for such addictions, many uncommonly used. For example, dipsomania, a medico-legal term for alcoholism, is used less than 1% as often as "alcoholism" in a large sample of academic writing over the last 20 years; other examples are given in the following table.
Back-formation from alcoholic.