Solution

RAPIDLY

3 clues

Fast

Word class: Adverb
Nature of clue: Synonym
Difficulty: Very easy

Other solutions to Fast

Quickly

Word class: Adverb
Nature of clue: Synonym
Difficulty: Very easy

Other solutions to Quickly

Swiftly

Word class: Adverb
Nature of clue: Synonym
Difficulty: Very easy

Words are categorized by artificial intelligence: there can be mistakes.