1. Dullish.

2. In a dull manner.

3. Somewhat dull.

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

• doully,
• dolla,
• daliy,
• eually,
• dupply,
• duble,
• idolly,
• deley,
• sudly,
• dialy,
• idally,
• dooly,
• pully,
• idlly,
• jully,
• tuely,
• dauily,
• sulley,
• donly,
• rudly

• dual,
• duell,
• duly,
• bully,
• duel,
• delay,
• fully,
• gully,
• dull,
• daily,
• duley,
• doll,
• dula,
• dulle,
• Duller,
• dually,
• dulls,
• doily,
• tally.

The adjective form of the word "dully" is "dull".

The plural form of the word "dully" is "dullies".

The singular form of the word "dully" is "dull"