1. In a shameless manner.

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

• shamlessly,
• shamlesly,
• shamelessy,
• shamelessely,
• shamelesly,
• amelessly,
• ahamelessly,
• zhamelessly,
• xhamelessly,
• dhamelessly,
• ehamelessly,
• whamelessly,
• sgamelessly,
• shameleesly,
• shamelssly,
• shammlessly,
• Sheildlesly,
• shamlessley,
• shammlesly,
• schamlessly

• shamelessness,
• shameless.

The adjective form of the word "shamelessly" is "shameless".

The plural form of the word "shamelessly" is the same as the singular form, as "shamelessly" is an adverb and does not change in the plural form.

The singular form of the word "shamelessly" is "shamelessly". The word does not change in its singular form as it is an adverb and does not have a plural or singular form.