1. One who stumbles or blunders.

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

• sumble,
• stumbel,
• stumber,
• stuble,
• stumblin,
• stumbe,
• stambled,
• stamble,
• strumble,
• stember,
• stmbled,
• stummbled,
• stumbbles,
• stummble,
• stumbeled,
• stunble,
• stumbaled,
• stumple,
• stumbed,
• stombled

• stumbo,
• stumbling,
• stampley,
• stumble,
• stumblebum,
• stemper,
• stainable,
• stomper,
• Stumpe,
• stambul,
• Stemple,
• stamper,
• stumper.

The adjective form of "stumbler" is "stumbling".

The plural of the "stumbler" can be the "stumblers".

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