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Notes on Hyphenating Prefixes
A prefix is a short number of letters that are added to the beginning of a root word; it changes the meaning of the base word. Most prefixes are set solid with the root word. However, a few are usually hyphenated before the root word.
To verify whether a prefix is hyphenated when attached to a root word, go to Webster’s Dictionary. It is your best resource for checking prefixes. It contains an extensive list of words with prefixes.
Only two prefixes are always hyphenated:
self- and quasi- .
The prefix ex- is hyphenated with titles. For example:
ex-president, ex-teacher, ex-nun
When either non or un starts a three- or four-word adjective, it is best to hyphenate those prefixes. For example:
non-school-based program,
non-diploma-bound students,
un-self-conscious dancers.
As always, when in doubt, check it out! Contact the Editorial Help Desk for help (Donna_M_MarksPleasant@mcpsmd.org).
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