hy·po·sthe·ni·a 
(hī′pəs-thēnē-ə)
(hī′pəs-thēnē-ə)n.
An abnormal lack of strength; weakness.
[HYPO- + Greek sthenos, strength; see segh- in the Appendix of Indo-European roots + -IA1.]
hy′po·sthenic (-pəs-thĕnĭk) adj.
- special court-martial
- special delivery
- special education
- special effect
- special forces
- special interest
- special-interest
- specialism
- specialist
- specialistic
- speciality
- specialization
- specialize
- specialized
- special jury
- Special K
- special legislation
- specially
- special master
- special-needs
- special needs
- specialness
- Special Olympics
- special operation
- special operator