The phrase "are overbearing" refers to a situation where someone is dominating, controlling, or arrogant in their behavior. Some possible synonyms for this phrase could include "overly aggressive," "bossy," "domineering," "bullying," "intimidating," "oppressive," or "overwhelming." Such individuals might be described as "overconfident," "pushy," "forceful," "overpowering," or even "tyrannical." It's important to note that these words all carry slightly different connotations and shades of meaning, depending on the specific circumstances and context in which they are used. However, they all share the common idea of someone who is exerting too much power or control over others.