(1)外在的；外来的

(2)非本质的；非固有的
它指用制定法或法律文件以外的材料来解释制定法或法律文件，与「内在的」〔intrinsic〕相对。它还可与其他词组成不同的法律术语。

• in promptu
• In propria causa nemo judex.
• in propria persona
• in proximo gradu
• in puris naturalibus
• in quantum lucratus est
• inquest
• inquest in lunacy
• inquest jury
• inquest of drunkard
• inquest of office
• inquest of sheriffs
• inquest of title
• inquilinus
• in quindena
• inquirendo
• inquiry
• Inquiry Court
• inquiry notice
• inquisitio
• Inquisitio Comitatus Cantabragiensis
• Inquisitio Eliensis
• inquisitio geldi
• inquisition
• inquisition after death