1. A harbour near the sea; a town with a harbour near the sea.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• surport,
• rerport,
• soport,
• sypport,
• aerport,
• sapport,
• seport,
• separt,
• sepert,
• sopport,
• reaport,
• eport,
• sipport,
• sapost,
• seaprot,
• suport,
• sepost,
• serport,
• sjpport,
• aport

• Severt,
• Seifert,
• separate,
• Seybert,
• Seibert,
• saporito.

The adjective form of the word "seaport" is "seaport". The word does not change form when used as an adjective. For example, "seaport city" or "seaport town".

The plural of the "seaport" can be the "seaports".

The singular of the "seaport" can be the "seaport".