1. In a sad manner.

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

• sallly,
• sadow,
• sadley,
• stanly,
• saly,
• sadenly,
• sydny,
• radely,
• tasly,
• safley,
• hadly,
• radley,
• sudly,
• sadomy,
• saldy,
• samily,
• safily,
• sudle,
• sadily,
• statly

• saddle.

The adjective form of the word "sadly" is "sad".

The plural form of the word "sadly" is "sadlies".

The singular form of the word "sadly" is "sad"