Which term means to refuse to accept or be associated with?

The term that means to refuse to accept or be associated with is "repudiate." This word signifies a strong rejection or denial of a belief, idea, or association, indicating a clear and decisive action to distance oneself from something. For instance, when someone repudiates a statement, they are expressing that they do not support it and do not wish to be linked to it in any way.

In contrast, the other terms have different meanings. To "affirm" means to assert or confirm something positively, indicating agreement rather than rejection. "Embrace" refers to accepting or supporting something willingly, which is the opposite of refusing association. "Support" also conveys a meaning of acceptance and backing something, rather than rejecting it. The clear differentiation in meaning shows why "repudiate" is the precise term for refusing to accept or be associated with something.