(1)弱智
包括各种形式的智力低弱，但并不一定表示无行为能力。

(2)弱占有；弱保有
例如租借土地保有〔leasehold〕弱于土地自由保有〔freehold〕。

• splitting commission
• splitting fees
• split-up
• split verdict
• spoken slander
• spoliation
• Spoliatus episcopus ante omnia debet restitui.
• spolium
• spondeo
• sponging-house
• sponsalia
• Sponsalia per verba de praesenti
• sponsio
• sponsio judicialis
• sponsio ludicra
• sponsion
• sponsor
• spontaneous declaration
• spontaneous exclamation
• sponte oblata
• Sponte virum mulier fugiens et adultera facta, dote sua careat, nisi sponsi sponte retracta.
• sportella
• sporting house
• sportula
• spot