The antonyms for the word "am dangerous" are vast and varied. Some opposite adjectives for dangerous are safe, secure, harmless, cautious, gentle, and harmless. These antonyms are relative to the level of risk or threat. The antonyms for dangerous can also include non-threatening, non-hazardous, secure, and trustworthy. Words like helpful, constructive, and beneficial are positive antonyms for dangerous as well. Depending on the context, antonyms for dangerous can also be innocent, gentle, and unassuming. Though 'dangerous' often has a negative connotation, it is important to know its opposite words to convey the correct meaning.