1. A hole in a wall or the bulk-head of a ship, through which small arms may be discharged; a way or means of escape.

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

• loophold,
• loopehole,
• lopholes,
• koophole,
• poophole,
• ooophole,
• liophole,
• lkophole,
• llophole,
• lpophole,
• l0ophole,
• l9ophole,
• loiphole,
• lokphole,
• lolphole,
• lopphole,
• looophole,
• loopwhole,
• olefone,
• epoophorron

The adjective form of the word "loophole" is "loopholic". However, this is not a commonly used or recognized term. Instead, it is more common to use phrases like "loophole-filled," "loophole-ridden," or "loophole-laden" to describe situations or systems that contain numerous loopholes.

The plural of the "loophole" can be the "loopholes".

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