Chance-medley refers to a haphazard encounter, typically resulting in a violent confrontation or an unplanned action. Antonyms of this term include deliberate, calculated, planned, and premeditated. Opposing terms to chance-medley indicate the opposite of reckless, accidental, or incidental behavior. Synonyms for chance-medley could include random, unforeseen, and happenstance. Conversely, antonyms suggest a more controlled and intentional action, often planned with specific outcomes in mind. The antonymic terms help to understand the intent behind actions and provide a context for discerning whether a particular circumstance arose from an unplanned encounter or not.