Watchfully
Part of speech: adverb
Definition: in a watchful manner
Vigilantly
Part of speech: adverb
Definition: in a vigilant manner
Watchfully as an adverb is in a watchful manner while Vigilantly as an adverb is in a vigilant manner
Part of speech: adverb
Definition: in a watchful manner
Part of speech: adverb
Definition: in a vigilant manner
We hope you now know whether to use Watchfully or Vigilantly in your sentence.