• gleefuly,
• gleefull,
• fleefully,
• vleefully,
• bleefully,
• hleefully,
• yleefully,
• tleefully,
• gkeefully,
• gpeefully,
• goeefully,
• glwefully,
• glsefully,
• gleeully,
• gulefully,
• glifefull,
• Plesefull,
• Leufull,
• gliefuly,
• glefulley

• gleefulness,
• globally,
• gleeful.

The adjective form of "gleefully" is "gleeful".

The plural form of the word "gleefully" is "gleefully". The word "gleefully" is an adverb and does not change in its plural form.

The singular form of the word "gleefully" is "gleeful"