| a prefix meaning “out of,” “from,” and hence “utterly,” “thoroughly,” and sometimes imparting a privative or negative force or indicating a former title, status, etc.; freely used as an English formative: exstipulate; exterritorial; ex-president (former president); ex-member; ex-wife. |
| a combining form meaning “outside,” “outer,” “external,” used in the formation of compound words: exocentric. |
| ex- pref.
[Middle English, from Old French, from Latin and Greek; see eghs in Indo-European roots.] |
ex- pref.
Outside; out of; away from: excementosis.
exo- pref.
Outside; external: exoskeleton.
| exo-
A prefix that means "outside" or "external," as in exoskeleton. |