Antonyms of adj nocent

1 sense of nocent

Sense 1
nocent -- (having a tendency to cause harm)

INDIRECT (VIA harmful) -> harmless -- (not causing or capable of causing harm; "harmless bacteria"; "rendered the bomb harmless")

Similarity of adj nocent

1 sense of nocent

Sense 1
nocent -- (having a tendency to cause harm)
       => harmful (vs. harmless) -- (causing or capable of causing harm; "too much sun is harmful to the skin"; "harmful effects of smoking")