Description

Latin Prefixes

*Hook Word (mnemonic for memorization)

1. A-, Ab-; away from
   1. Absent (word hook)
2. Ad-; to, towards
   1. addition
3. Ambi- (Ambo-, amb-, am-, an-); around, on both sides
   1. ambivalent
4. Ante-; before, forward
   1. antebellum
5. Antero-, anterior; before, front or forward part (Anterior)
   1. (see: antero-)
6. Bi- (bis-, bin-); twice
   1. Bicycle
7. Circum-; around
   1. circumference
8. Contra- (Counter- often before vowels); against, opposite
   1. contraindicated
9. De-; down from, away
   1. deficient
10. Extra-, extro-; beyond, on the other side, outer (extrapulmonary, extraligamentous)
    1. external, extraordinary
11. Infra-; below, lower (Inferior, infraspinatus, infrascapular, infracostal)
    1. Inferior
12. Inter-; between (intervascular, interosseous)
    1. interloper
13. Intra-; within, inside, during (intracervical)
    1. Intra-racism
14. Juxta-; beside (juxtarticular, juxtaspinal)
    1. Juxtaposition
15. Ob- (o-, oc-, op-); against, in the way, facing (occiput)
    1. object, objective
16. Post-; after, behind (Posterior, Postcerebral, postnatal)
    1. poster
17. Postero-; behind (Posterior, posterolateral, posterosuperior)
    1. postscript
18. Prae- (pre); before, in front of (precordium)
    1. preclude
19. Retro-; backward, behind (retroflexion, retronasal)
    1. retrograde
20. Semi-; half (semiorbicular)
    1. semicircle
21. Sub- (suc-, suf-, sup, sus-); under, below, near, somewhat (subdorsal, subcutis)
    1. submarine
22. Super- (sur-); over, above (Superior)
    1. superior
23. Supra-; Above, upon (supra-axillary, supraspinatus, suprapelvic)
    1. (see: super-)
24. Trans- (often tran- before ‘s’); across, through (Transverse, transverse Abdominous, tranverse plane)
    1. Transcript
25. Ultra-, ultro-; beyond, excessive (ultraligation, ultrasetaceous)
    1. ultra-runner, ultraviolet