2. Prefix. beside, near, alongside ¹
3. Prefix. abnormal, incorrect ¹
4. Prefix. resembling ¹
5. Prefix. (chemistry) In isomeric benzene derivatives, having the two substituents in opposite positions (compare ortho- and meta-.) ¹
6. Prefix. (obsolete not productive) ¹
7. Prefix. Forming words relating to activities carried out with a parachute. ¹
¹ Source: wiktionary.com