| a combining form meaning “bad,” “wrongful,” “ill,” occurring originally in loanwords from French (malapert); on this model, used in the formation of other words (malfunction; malcontent). |
| mal- pref.
[Middle English, from Old French, from Latin, from male, badly, and malus, bad; see mel-3 in Indo-European roots.] |
mal- pref.
Bad; badly: malpractice.
Abnormal; abnormally: malformation.