(1)永久租赁(权)；无期限的租赁(权)
只要承租人遵守租约，支付租金，即可一直租赁下去。

(2)可继承地的附条件转让
长期出租或永久出租实质上等同于授予承租人一种可继承的租地使用权，也可以说是将租地转让给了承租人，只不过承租人要交纳租金，而出租人所保留的这种收租权也是可以继承的，如永久租佃地产权〔fee farm〕。
(→fee farm)

• In maleficiis voluntas spectatur, non exitus.
• In maleficio, ratihabitio mandato comparatur.
• INMARSAT
• inmate
• In maxima potentia minima licentia.
• In mediam viam tutissimus ibis.
• in medias res
• In mercibus illicitis non sit commercium.
• in mercy
• in mero jure
• in misericordia
• in misericordia domini regis pro falso clamore suo
• in mitiori sensu
• in modum assisae
• in mora
• in mortua manu
• innamium
• in naturali laxitate
• in naufragorum miseria et calamitate tanquam vultures ad praedam currere
• innavigability
• innavigable
• inner barrister
• Inner House
• Inner Temple
• innocence