Warily is an adverb.

Is warily an adjective or adverb?

adverb. 1Cautiously; carefully. ‘Dunfermline had more reason than most to approach the match warily. ‘

What is a definition for warily?

When you do things warily, you’re cautious and concerned. Behaving warily is like treating the situation with kid gloves. There are a lot of things in life that should be approached warily — like bear cubs, for example.