prehuman /prē-hūˈmən/

1. At a stage of development before full humanity has been developed
2. Earlier than the appearance of man

• sitzkrieg
• sitzkriegs
• Sium
• SI units
• SIV
• Siva
• Sivaism
• Sivaistic
• Sivaite
• Sivan
• Sivapithecus
• Sivatherium
• siver
• sivers
• siwash
• siwashed
• siwashes
• siwashing
• six
• sixain
• sixaine
• sixaines
• sixains
• six and half a dozen
• six bits