The term "buck odds" can be defined as a situation where one is defying their odds and taking risks. The antonyms for this phrase would be "playing it safe" or "avoiding risks." People who are not comfortable with taking risks often prefer to play it safe and stick to what they know, which is the opposite of bucking odds. Additionally, the words "predictable" and "conventional" can also serve as antonyms for bucking odds because they imply that one follows traditional, expected paths instead of breaking from them. Ultimately, there are a variety of antonyms that apply to bucking odds, most of which relate to being cautious and risk-averse.