(1)不可航行的
不受潮汐影响的河流或水域为不可航行的。

(2)不可通航的(→nonnavigable waters)

• executor testamentarius
• executor to the tenor
• executory
• executory accord
• executory bequest
• executory consideration
• executory contract
• executory contract of sale
• executory contract to sell
• executory devise
• executory estate
• executory instrument
• executory interests
• executory judgment
• executory license
• executory limitation
• executory process
• executory promise
• executory remainder
• executory sale
• executory trust
• executory unilateral accord
• executory use
• executory warranty
• executress