(1)撤销；废除；宣布(行为、合同、法令等)无效
它与「set aside」同义，表示上诉法院撤销此前通常由下级法院所作的判决，但并不必然表示应在此后的程序中作出相反的判决。

(2)解除(职务)；辞职

(3)腾空房屋；放弃(对房屋的)占有；通过搬出而解除(对房屋的)占有

• instrument inter partes
• instrument of appeal
• instrument of evidence
• Instrument of Government
• instrument of sasine
• instrument of war
• instrumentum patrisfamilias domesticum et quotidianum
• instrument under hand
• instrument under seal
• insubordination
• in subsidium
• in substantialibus
• insufficiency
• insufficiency of evidence to support verdict
• insufficiency of repair
• insufficient
• insufficient consideration
• insufficient funds
• insufficient record
• insula
• insular courts
• insular possessions
• insulation period
• insult
• insultus