Definitions

1. adverb

in a subtle manner; in a way that is not obvious or noticeable at first

“The artist painted the subtle changes in light across the landscape.”

2. adverb

in a way that is skillful or tactful in dealing with a difficult situation

“She handled the situation subtly, avoiding any confrontation.”

3. adverb

in a way that is slightly or barely noticeable

“The flavor of the wine developed subtly over time.”